He's there most likely to qualify the business for lower insurance rates. Other than to serve as a deterrent, I suspect his employer has a low expectation of performance, and I seriously doubt the business morally feels the need to "protect" those passing through their doors. I'm sure you know most of the post you quoted was just statist rhetoric delivered with theatrics.
Excellent addition, yes!
I will say I actually relatively like Primus so far. I think more of his posts are meaningful than any other LEO (including former) we have here. And there are lots of ways to take that, and I refuse to specify.
Remember that the "brainwashers" themselves have been "brainwashed" into teaching it.