Taking part in an event does not mean they can’t participate in it as part of community relations. It’s not that political seeing as being gay is perfectly acceptable in this country.
Also there is a difference between abandoning a role and simply managing it differently which is what your source is saying certain forces are doing. It even mentions cuts and how officers are taking a different approach because some ways haven’t worked. Cannabis use is, as I’m sure we all agree, a completely different beast from knife crime too.