Actually there isn't much to explain. Every single person I know that has been to Paris has been disappointed by it and complained how there are way too many people everywhere. Maybe there were just too many tourists in Paris?

I can. Again, this is like refusing to visit CDMX because you heard about gang violence or avoiding Sicily because there is crime. Those singular events aren’t false. But they don’t make up the majority of the context. Someone refusing to travel because of these low-probability events (note: because of fear of them, not out of protest, which is separate) is almost certainly behaving irrationally.

I can. Again, this is like refusing to visit CDMX because you heard about gang violence or avoiding Sicily because there is crime. Those singular events aren’t false. But they don’t make up the majority of the context. Someone refusing to travel because of these low-probability events (note: because of fear of them, not out of protest, which is separate) is almost certainly behaving irrationally.

Where your argument might have purchase is in America having previously been a good tourism destination for someone with such anxieties. But the truth of the matter is folks like that don’t tend to travel in the first place.