LW isn't that heavily dominated by US based users

No, but if my example is going to evoke the opposite response in 10-20% of my audience, it's probably a bad choice :)

avoid such uses when thinking of difficult problems of ethics or instrumental rationality?

Conceeded. I was interested in gauging emotional response, though, not an intellectual "shut up and multiply". The question is less one of math and more one of priorities, for me.