It's also a bit silly to assume it's "cleaner" when it's done ,when its down to your personal hygiene whether you have it done or not . If you have it done and never wash then it hasn't made a difference
,and if you don't have it then you just have to wash properly .
People say the same thing with pubes, if you get rid of them it's "cleaner" , but again it's your own personal hygiene but it makes sense to get rid of pubes more .