As I said (GP here) - I rode motorcycles since 2008; I'll grant you that sound is absolutely part of the fun - but loud aftermarket exhausts, detonating straight pipes, etc which are the subject of the topic here -- I feel the world's balance is overwhelmingly on the negative in the "joy to self" vs "average impact to others".

I understand many people put the aftermarket pipes "for themselves", at least consciously, or at least claim so - but I feel at best, it's a degree of self-centerdness to not realize impact on others. I see it on Subaru forums too - fellow WRX/STi owners moaning about their neighbour's complaints and cops stopping them and people giving them dirty looks etc etc - obliviously blind that it was themselves who brought in on by installing ridiculous loud exhausts. A factory exhaust on my bikes gave me plenty of thrill, and while I did put a high-flow cat on my Scoobie, I searched for an exhaust with nice sound but quieter actual dBs than stock. Few things are B&W - but there is a loudness at which point it really really is about others.

(note that when you say "past 10k RPM", it sounds like you likely have a sportsbike, and as you say a stock one; those can be loud at high revs, but generally speaking the loudest bikes in my experience tend to be modified cruisers and wanna-be Harleys.

Also note that rider may not always get straight opinions from friends, depending who wants to fight what battle when - e.g. last summer, a rider was revving his throttle at a friends' cottage and boasting about his aftermarket pipes; given we were both guests, I politely nodded and meandered away... but everything for the rest of the evening confirmed the image I formed the moment I heard his pipes :-/)