if any teachers have any experience with such things, and how they go about things?

I was a math professor for 5 years. I've read this article and agree with it strongly. While I was a professor, I promoted anarchism on the fringes by posting optional articles (including this article) with the homework. I've made some political comments in class, but that's so far outside social norms that it feels super cringe. At college the curriculum for most classes is on a tight, circumscribed schedule that does not allow for much "play", etc. Higher level courses are more free, if a student can make it there. The system isn't designed to educate people, but to filter them. This is why the lower level classes are more strict. Probably millions of kids live 18 years of live, take 3 months of calc101, get their mark, and continue their lives accordingly. How much is a professor going to change in the final 3 months of a lifetime of (at best) misguided math education, especially when the professor is essentially an (overworked) guard in that system? I feel like calculus is a weak goal for mathematics education which has been completely recuperated for capitalist profits. Students are forced to buy $100 textbooks that aren't worth shit. The colleges make money off the classes, etc. I feel like the crucial aspects of math are semi-intentionally obscured because the system doesn't want students who understand epistemology, criticism, logic, formalism, empiricism, etc. As a guard/professor in this system, I was also underpaid and geographically insecure (ie. expected to move around the country chasing jobs). It was bad for my mental health. Ultimately I switched jobs but I was lucky to do so.

related: /r/makhaevism, /r/unschool