Even if he did make an assumption, you’re making an assumption that he’s made an assumption, then judging him for that, and insulting him by name calling him as well. Who’s worse here? (Rhetorical question to prompt some hope of self reflection on your part).
I don’t see why we can’t have a discussion about head bolts without all this garbage. Did anyone verify the country of origin yet? They’re either made in the US or overseas. Either way, I’ll stick to ARP if anyone gives two cents for another opinion on the matter.