barely clothed? well, i don't ride without long sleeves. sunburn is a bitch!...
tattoos? yep, got em. have had them since i was 18, that's 36 years ago. long before i started riding.
long mustache? nope, i sport a beard.
there are a lot of people in this world. some ride motorcycles. some are not necessarily the best ambassadors for the human race, let alone motorcycle enthusiasts. but that really has nothing to do with them riding motorcycles, but just being douchebags in general.
if you're willing to give up your ride over something like this, then i would suggest that you aren't really a 'motorcycle enthusiast' in the first place. there are a lot of 'bad examples' with every brand of car, truck, or motorcycle..... guess, you'll have to walk. oh, wait. i saw this asshat wearing a pair of nikes, and.............................