I’m Thai, and many tourists show very little respect for local people. They come from so-called developed countries and think that gives them the right to do whatever they want here. They just suddenly lose all their manners the moment they arrive. It’s like they see Thailand as a place where they can freely indulge their worst behavior like throw cigarette butts on the sidewalk, talk loudly on public transport, and sometimes even steal. Some openly look down on Thai people who don’t speak English well. There’s this arrogant assumption that everything here exists to serve Western tourists.