Cops in both countries,
when interviewed by press, will almost always say not to use force/weapons/violence in defense. I've seen that remark get made plenty in the states (e.g. police officers that testified my state legislature against concealed carry permits). They do this because of risks of escalation etc, but also because citizens defending themselves
deeply threatens the cop's identity and ego. It doesn't necessary reflect the law in that area.
That sounds pretty much like a blanket statement. You didn't qualify it by saying some, or a few, so I guess you include all LEO's. I don't know what psychological research you've personally conducted with strictly law enforcement officers, how large the study was, or what your academic credentials are, but let me skew your numbers a little. When I was working, I personally was glad when citizens fought back. There, I've said it. And shockingly, I never felt my ego threatened. I don't make this as a blanket statement, only as it applied to me. But although having done absolutely no research other than anecdotal conversations with a few LEO's, I have a feeling it might apply to others as well.
Quoting your included article on narcissism, well I guess everyone is part of some group. Like you, someone who makes blanket statements about another group. If you're a LEO, well, I guess that puts you in another group, cops who make statements about cops.
You might say my response is indicative of something, perhaps ego related, but then, of course, the same might apply to you. I've read your paper on weapon laws, found it to be well written. This blanket statement, well, I guess I've said what I'm going to say. I guess it's time to put my asbestos suit on.....