> Whatever you think of merits of DEI, the government decided to create DEI in order to enforce the Civil Rights Act and Americans with Disabilities act.

This part is foundational to the rest, and it's straightforwardly untrue. The government agency which most often enforces these two laws is called the Equal Employment Opportunity Commission, which remains active under the new administration; the new acting chair has given no indication that she intends to stop enforcing the Civil Rights Act or the ADA.