Actually, I've served enough of them to know just how true this is. There should be a process whereby countries rescind passports of citizens not judged likely to be great ambassadors.
Britons on Vacation: https://slate.com/human-interest/2019/01/new-zealand-tourists-john-johnson-tina-cash-arrest.html
I double checked the veracity to make sure it wasn't just written in fun. Nope, it's true: https://www.news.com.au/travel/travel-updates/incidents/unruly-tourists-young-british-boy-pulls-the-finger-as-locals-lash-out/news-story/dfc1afa1dc8a874baf82aaea6319509d and Video for those unable to read: https://www.youtube.com/watch?v=OQ4XcSd2Trw
I've met a very few civilized ones, but the majority should be kept home on short leashes. On that note, why, why do we still have the Queen on our currency? What year is this? Time maybe, given the diversity of our culture, to stop paying homage to the past and look towards embracing the present.