I don't know of such a group. In fact I'm not even sure where you're from but hopefully not the US as hygiene in Europe is generally much better than the US.
Sure there is a difference between Sweden and Spain or whatever but the same goes for all continents, countries and humans out there.
Humans are individuals and just walking down the streets you'll find that many have different habits etc.
Some love to wipe their butt all day long and others are using water (bidet) instead e.g.
In fact wiping your butt with toilet paper is very ancient and not clean at all.
All you do is spread the germs and rub all dirt into your skin cells until you think it's clean. Well, it's not.
So raid, simple solution: use a bidet instead, hehe