And the sad thing is that everyone involved knows the NYPD officers who were involved, or watched as bystanders/riders in the biker pack are expletive-birds...
The politics of it is probably the union and other factions of the NYPD and NYC government making threats with whatever cards they've got to play not because they care about, or like these guys, it's just the typical old fear of "give an inch, and they'll take a mile" reflexive turf protection.