This is absolutely true, anonymous. Many trainers are perfectly happy with their grimer and muk. It’s just important to wash one’s hands after handling them, even if you’ve acclimated to their smell.
(Although, of course, it should also be noted that Alolan grimer and muk lack the standard form’s signature odor, so actually, members of that particular breed are even better choices for those who can’t imagine ever getting used to a grimer’s stench … as unfortunate as that may be.)
The Pokédex According to Bill 