Police abolitionism is a widespread idea in liberal academic circles, as well as among progressives in the most progressive American cities: https://en.wikipedia.org/wiki/Police_abolition_movement

Think Columbia University faculty and students in NYC, not online trolls.

https://cccct.law.columbia.edu/content/abolition-practicum

https://socialwork.columbia.edu/student-experience/student-l...

https://blogs.law.columbia.edu/abolition1313/3-13-abolish-th...

Just google 'police abolition' + 'columbia' or 'berkeley' or any of the top liberal arts colleges that have a left ideological bent