How likely is it, do you think, that Carinthium has just not considered the fact that hostility reciprocates?

I think he has considered it and likely underestimated it. My theory of mind is limited to "neurotypicals", and if he's far on some other spectrum I have no clue what he might think.

Does that capture what you wanted to find out from Carinthium

It does, thanks. I'm not sure what was so difficult about this. Perhaps I took this a bit too personally since one man's ridiculous ultimatum wreaked havoc on my grandparents' psyches quite recently. It's not clear he knew the damage he was doing. I thought I had accepted his actions but judging from these brain farts of mine I probably haven't.