First of all, let’s try to avoid American-bashing, and stay respectful to everyone.
I’ll start: for me it’s the tipping culture. Especially nowadays, with the recent post on !mildlyinfuriating@lemmy.world with the 40% tip, it just seems so weird to me to have to pay extra just so that menu prices can stay low.
Europe is bigger than the US, but how often do you travel all across? The radius of movement might be a bit bigger in the US, due to bad design (urban sprawl). That’s a choice. You can plan cities better if you want to.
I don’t go from Sicily to Finland every week (but if i wanted to, I could easily do so by train). The size doesn’t matter in my daily life.