Use to be a clean fanatic, the older I get the less I worry about it. Possibly will ruffle some feathers here but I see some guys who spend countless hours detailing their cars as simply maniacal, the each his own though.
Like I've told my boys......"It's a thing, a piece of metal which will likely be a steel girder, a beer can or plastic bottle before you are dead. Enjoy it but don't worship it."
Crap, I gotta go out and lay another coat of Polar Silver touch up paint on my newly chipped hood.