Who said it’s a conspiracy?
The peer review process in the humanities leads to conformity. That conformity isn’t healthy for the Academy, and there a pushback.
Logically, sociologists ought to be writing papers and teaching classes which compare the religious conformity of 1600-1800 academic institutions to the political conformity of modern academic institutions. It‘s a reasonable comparison: Harvard’s sociology department is not going to promote a conservative, in the same way that Harvard’s divinity school in 1670 was not going to hire a rabbi.
But, if you want sociologists who are capable of talking about that comparison, you aren’t going to find them within the current structure.
The question is whether they can succeed at creating a genuinely open model. Worst case, they create yet one more heavily partisan institution like Fox News or university sociology departments.