Sometimes demand exceeds supply&#x27;s ability to cope therewith, and <i>some</i> form of &quot;friction&quot; need be applied to reduce that demand lest the supply be destroyed. It&#x27;s not about being macho etc, it&#x27;s about &quot;experiencing nature&quot; 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&#x27;s not worth pursuing.