This might depend on where you live? I don’t remember seeing any sort of rental TV services in any area I’ve lived in or any advertisements for such. I’ll be honest, I wasn’t looking for one, but I also haven’t heard of this as a common thing.

Having been to France/Paris a few times, the first few times weren’t too great. However, I went again later on with my wife who was able to explain the proper etiquette and unspoken social rules and the experience was completely different to the point where I loved it.

Many tourists won’t understand those rules, so they may come off as rude. But even a little effort will go a long way. Just a few things I can think of at the moment:

• Always say “Bonjour” when entering any shop, even if no one is visible at first.
• When talking to anyone, don’t start talking in English, first try to get by with whatever French you know (even if it’s terrible).
• For escalators, never block the left side. The right side is for standing, the left side is for those who might be in a hurry and will be walking through.
• On public transit, don’t be loud/bothersome. No talking on the phone. Don’t put your phone on speaker when listening to videos/media. If you have to talk, whisper.

For the Europeans that I’ve met (who have never been to the US) to them, most Americans are rich businessmen/cowboys who love guns.

Since they haven’t travelled, they mostly rely on what they see from the media that they consume.