Earlier quoted context omitted.
It seems like you're assessing this in a very abstract way, as evidenced by your "what if we took this logic to the extreme" examples. I assure you your perspective changes once you have skin in the game and are invested in an activity which is substantially diminished by the introduction of a large number of uncaring people.
> invested in an activity Odd phrase. "Invested" in your own amusement? And that trumps others' right to be in the same place? The ones with "skin in the game" are the residents, owners, and/or official caretakers. If they want to let the unwashed masses in, as seems to be the case, who are you to overrule them? Instead of trying to exclude people, maybe we should educate people about what not to do and why not, prov…
2. "Rights" have nothing to do with this discussion.
3. Unless you're talking about a national park, the residents/owners/official caretakers of the backcountry are often nobody, or at most a volunteer trail maintenance org.
4. Educating people costs money. Providing facilities costs money. Hiring personnel costs money. Ameliorating damage costs money. These things all happen, but they cost money, and nobody is champing at the bit to pay.
The approach many in the outdoors community take is indeed everything you suggest, plus an information diet to concentrate use on trails which have seen a lot of work and can handle the traffic.