The CRA's Purpose: White Depopulation
It's not possible to discuss in polite society, yet, the failure, hypocrisy, and ulterior motives behind the Civil Rights Act, but blogs such as this one provide a suitable venue for the discussion.
Problem: Too Many White Americans
The "Baby Boom" was no meme:

The relentlessly increasing birth-rate from 1947 until the early 1960's assuredly concerned "the powers that be"( the leading oligarchs, Ford and Rockefeller), whose Foundations joined forces to tackle the American "birth-rate problem":
With America’s two biggest foundations[Rockefeller & Ford] having paved the way, the government followed next into population control. In 1959, President Eisenhower had said he “could not imagine anything more emphatically a subject that is not a proper political or governmental activity.” But after Dean Rusk (who ran the Rockefeller Foundation from 1952 to 1960) became President Lyndon Johnson’s Secretary of State, John Rockefeller III pressed him to make birth control a federal cause. Johnson soon delivered the first characterization, in a speech to the nation, of population growth as a problem, and by 1965 there was an Office of Population within the U.S. Agency for International Development. In seven years its budget exploded from $10 million per year to $123 million. https://www.philanthropyroundtable.org/almanac/population-control-movement/
President Eisenhower - a "CRA Moderate"
Eisenhower proved a moderating force with respect to "Integration" of blacks into white-only schools and society in the South: while he did use Federal authority to enforce a Supreme Court decision, he had very little appetite to rashly change American society, preferring a graduated, cautious approach to racial integration.
Ford & Rockefeller - Seizing the Moment
The budget alone tells the story - an example, from the Ford Foundation:
Between 1965 and 1970, Ford Foundation grants relating to African-Americans increased from 2.5% of total domestic programmatic outlays to a staggering 40%. This dramatic shift in grant funding coincided with new leadership at the top, but there was also a growing push among Ford’s program staff to support racial justice grantees more overtly. https://resource.rockarch.org/story/philanthropy-social-movements-ford-foundation-civil-rights-1965-1970/
The Rockefeller Foundation followed-suit, to the extent that in 1966, Lyndon Johnson almost appointed Laurance Rockefeller as the first HUD Secretary - yes, Housing and Urban Development was to have a Rockefeller as its inaugural Secretary. Clearly, some self-awareness returned to Johnson administration, and a black man, Robert Weaver, took the job.
HUD's Weapons - "Fair Housing Act" & "Open Communities" Initiative
HUD enforced the Fair Housing Act and, under the Nixon administration, added George Romney's (Mitt Romney's father and the successor to Weaver as HUD Secretary) "Open Communities" Initiative, which was nothing more than blackmail: accept low-income black housing developments in white neighborhoods, or else withhold Federal funds for sewers, roads, and other infrastructure.
Case Study of HUD's Handywork: Anywhere("Rosedale"), TX
Scott Cummings, a Professor of Urban Affairs at University of Louisville, wrote an interesting book about the actual effect of the Civil Rights Act and its attendant institutions and policies on normal white Americans in his book, "Left Behind in Rosedale".
Using the pseudonym for the town of "Rosedale", Cummings articulates the devastating effect the CRA and HUD imposed upon "Rosedale's" white residents: the town simply became dangerous, life became fraught, and all social life ended.

The main covariate of the social implosion of "Rosedale": the replacement of ethnic whites with blacks, imposed by Federal law and financed through various private Foundations (sounds familiar?):

Case-studies like "Rosedale" exemplified the destruction imposed by the CRA and the Progressive Foundations upon urban white American life. One can simply see the subtitle of Cummings' book for the true imperative behind the CRA: "... the Collapse of Community Institutions".

The "Jaffe Memo" and Collapsed Community Institutions
The "Jaffe Memo" was a 1969 document drafted by Frederick Jaffe, an economist and "population expert" at Planned Parenthood. The "Jaffe Memo" surfaced in a 1970 journal and also a 1973 Senate hearing. which included fulminating indictments against Progessive population causes, such as the one below against the Cranston(Senator Alan Cranston, D-CA) Family Planning Bill (never passed, specifically, but became policy after Roe v. Wade and expansion of Title X of CRA) by John Middleton:

Indeed, "Title X" of the CRA provided financing for family planning of lower-income Americans, but the goal to expand "family planning" to most Americans, which would find financing in Congress, required Americans interested in reducing their reproduction or outright sterilizing themselves, and thus, one must consult the "Jaffe Memo" for a pithy presentation on the mechanisms used to coerce Americans into self-sterilization:

The CRA - a synthetic "Child Tax" on White Americans
The combined effect of the CRA's Federal powers and the financing and lobbying efforts of the Fabian Oligarch private Foundations synthesized a punitive and increasingly costly "child tax" for white Americans: raising white children in a black neighborhood was unthinkable - hence the need for Eisenhower to send the 101st Airborne to forcefully integrate the school in Little Rock, Arkansas .
Bringing the "Child Tax" North - Bussing Black Kids to White Schools
Having to send one's children to private school is a categorical "child tax" of the first order: in no civilized country should private schools be necessary for the safety and welfare of a child, but in post-1964 America, white children found themselves without protection by the State.
In fact, white children were the target of the Fabian oligarchy and social engineers: they knew very well that the black children would attack them and bring-down school quality, and thus the parents would either abandon the district or pay for private school - in either case, the imprint remains in the parents' mind, "having children costs money" - child tax.
Thus, the economists and social engineers, whether in academia or privately-funded Fabian thinktanks, derived and guided Civil Rights policy to synthesize a punitive and increasingly higher "Child Tax" on white Americans.