Without getting too much into the politics of it, I think a key factor is how polarized people are. Another one is how litigious Americans are, or at least are

Without getting too much into the politics of it, I think a key factor is how polarized people are. Another one is how litigious Americans are, or at least are perceived to be. (Quebec person here, we're not exactly known for our table manners, but you'll always get a direct answer) ;-)