I don't think it's an easy task in reality, but they were claiming there's "countless humanities graduate programs that do nothing but produce and spread left-wing propaganda" outnumbering the important grants and taking up all the funding, which should be a lot easier to audit for and cut a large portion of it without killing any "real science". Instead, we got a clumsy keyword search.
I'm sure I'll get heat for this, but I think a low-resolution first pass a la keyword search was actually an excellent call from a macro standpoint. It (1) clears out a good chunk of cruft, instantly, with little effort and (2) scares people away from doing further explicitly ideological work.
There are a surprising number of social scientists who engage in both good basic research and useless ideological bone-picking, and the low resolution pass effectively pushes them to focus on their real work.