Earlier quoted context omitted.
There is no equivalent rule that says you must wear a fire extiguisher whenever you enter a building. Therea are building codes the require smoke alarms EXIST in any living space, and other codes that say any business or facility providing public or employee access to a space must HAVE extinguishers and other features. Those would be equivalent to the regulations that car manufacturers must include seatbelts and othe…
If you don't want to wear a seatbelt don't ride on the public roads. We live in a society.
What you just demanded was antisocial. Meaning it was not an example of living and letting live, and getting along with your neighbor. It was an attempt to impose your will on your neighbor, without the excusing necessity of any shared resource or effect on yourself.
To illustrate the difference, I don't care if you wear a seatbelt or not.
I also think cars should be required to possess them as they are.
I even think it's at least arguably not automatically wrong to protect kids from some parents and require them for kids until they take over responsibility for themselves. That is a more complicated question not automatically right or wrong, because a lot of kids have been harmed under the banner of "protecting kids from parents", but there is at least a valid theory for it.