What did the state and city do to hamper policing?
Government at all levels undermines the cops when blactivists condemn cops doing their jobs; even justified shootings are questioned/criticized, and often the government sides with the alleged “victim” (criminal). That slob Eric Garner’s mother collected a big settlement from the city even though nobody was ever convicted of any wrongdoing; he broke the law, resisted arrest, the cop was cleared of any criminal act - and she still “got paid”.
Even Obama chimed in, second-guessing cops who were eventually cleared of any wrongdoing (see Henry Gates arrest - “police acted stupidly”). When the president makes it clear that race supersedes all other factors, then there is no point in pretending police can do their jobs.
I have no problem pouncing when cops do wrong (the shooting of a young man in a dark stairwell in NYC was just outright murder, and treated as such), but when cops think doing their jobs will result in the loss of their jobs, pensions, even freedom - they just “stand down”. This is exactly why the black urban areas are now war zones - and everyone else is just content to let them tear each other apart there rather than in our neighborhoods.
De Blasio claims he is a communist. He is full of neo-marxist sloganeering. his favorite target has been the police, accusing them of racism, etc... Like AOC, he was a dark horse, far left candidate who managed to win a primary with low voter turnout. He has been constantly "anti police" in both his statements, and actions.
Just do a search on Mayor De Blasio police dispute and there will be a lot to read.