Yes, you are being stubborn and cantankerous. If it's not about a law but a choice, then why the hell would you choose to not wear a seatbelt AND choose to not use a booster cushion? You'd rather hammer on the auto industry for not designing cars for little people, or hammer on law enforcement for enforcing safety laws? WTF is up with that?
I won't even engage your "hearing loss" excuses for not wearing a helmet. That's complete and utter bullshit. There are "skull cap" type helmets that don't cover the ears at all. You're just posting stupid shit now.