The US is also a massive country comprised of isolated and distinct subcultures, with a much more dramatic urban/rural split than denser regions. An acceptable

The US is also a massive country comprised of isolated and distinct subcultures, with a much more dramatic urban/rural split than denser regions. An acceptable apology in one part of the US is a thinly veiled insult in another. Mistake 0 is assuming there's an "American abhorrence" or a tendency held by "Americans on the whole". It's difficult for any American, much less anyone outside of America, to have interacted with each of its distinct, and often wildly divergent, subcultures to find a genuine common thread.