Oh dear thor.....no. This is not because of some local protest. Its not about paranoia. Its not because the org is collapsing. Its not to increase donations. In big cities its ALWAYS, for many decades, been local policy to lock the doors.
This letter was released in the usa at least a year ago. It was in response to a church shooting and the realization that khs were vunerable like anywhere else (cause their desert god cant stop a shooter).
Everything dosent have a sinister motive. The gb aren't evil geniuses. They are reactionary at best and this is simple and easy to understand. Get a grip.