Sometimes demand exceeds supply's ability to cope therewith, and some form of "friction" need be applied to reduce that demand lest the supply be destroyed. It'

Sometimes demand exceeds supply's ability to cope therewith, and some form of "friction" need be applied to reduce that demand lest the supply be destroyed. It's not about being macho etc, it's about "experiencing nature" unavoidably leaving a trace which, in great enough volume, destroys the beauty of that nature - and preserving that fragile beauty requires SOME barrier to persuade some it's not worth pursuing.