They mean dangerous for the dirt bikers. Somehow I'm not too sympathetic.

“If we pursue someone, and they get injured, then it becomes a liability,” Andrews said.

Is that San Francisco's general policy on not chasing people who flee from the police?

There used to be this sort of activity where I live in NYC. It started after the covid lockdown (as part of a general rise in crime) but apparently the cops figured out how to do more than watch helplessly because I haven't seen anything for several years now.

Edit: I'm reminded of Robin Williams' "Stop, or I'll say 'stop' again."