NYC Sends More Cops to Subway Again, but Many Subway Riders Remain Fearful

The city keeps putting more and more cops in the subway. I haven’t been to a station where there isn’t a cop or two present in recent memory. But weird and scary keeps happening, and people are still fearful of riding the subway, as I see on this Reddit and other forums. Is is that the cops aren’t doing their jobs well? The city/NYPD puts them in the wrong places? Or much deeper, insidious issues the city can’t/isn’t addressing?