Surely there's more interesting conversation to be had here than just "your opinions about interacting with law enforcement are moot because I know people in my Chicago neighbourhood who disagree with them."
The main contention seems to be 'surely everyone knows you shouldn't talk to the police' and 'no, quite a lot of people believe the opposite, but it's not as common to see that belief online', with a bit of this being conflated with whether this belief is accurate or not.