Sort of. “Dice” is both plural and singular, “die” is just singular. (According to both Cambridge and Oxford dictionaries at any rate.)
Unlike most things, if enough people have wrong opinions on language they stop being wrong.
Which is why it’s our responsibility to bully them for their opinions
Actually, the American Southern dialect is believed to be closer to the English Shakespeare would have spoken than modern British accents. the same os believed to be true for the Quebec accent, as the groups that settled these areas became isolated and evolved at a slower pace than the home countries. So American is closer to the legacy version, while British is the modern one.