I agree with a lot of what you're saying. I don't necessarily oppose the notion of "dismantling systems" -- but it's incumbent upon activists and narrators to specify what exactly that means and what precisely it would entail.

I recently wrote a piece about the inane sort of feedback loop in which social justice crusaders often find themselves trapped:

https://eichy815.medium.com/the-it-will-never-be-enough-fallacy-ed65143728b4