What do you consider as annoying when traveling and interacting (intentional or otherwise) with other travelers?

I’m a frequent solo traveler. And I do my best to be respectful of every place I go to. But i understand i cannot control my environment esp the type of travelers I’d encounter. I find it pretty annoying tho when travelers act like they own the place esp if they are larger grps. Like the larger the grp is, the more they act entitled. Just now, I am minding my own business in a restaurant, and there’s this group who acts like they own the place moving things around, speaking to the staff in sort of a rude way, and being extremely loud like they are the only ones here. They also have that kind of aura of “yeah, i’m famous”.

I get that they’re having fun, but man…