Why should the current rightist adminstration be tolerant of an academia that is intolerant towards rightists?

I don't think your "Diversity of thinking" approach applies, if I am reading your comment as a rebuttal of the GP? By following Popper's paradox in this case you are sacrificing diversity of thinking in exchange for an artificial racial diversity.

The GP argues that the system is set up to promote racial/gender diversity first and then ideological homogeneity to that end.

>The solution is to relax those constraints,not to fight back with more.

I think this is the solution for a free society at large, but the power play for the right wing is to just defund all academia- they don't have the right demographics or positioning to work within academia and tilt it to their side (or even to tilt it neutrally)

Agree on the last paragraph, sadly.