Please stop blurring the issue, it's very straightforward really.
People who are struggling for shelter should of course be allowed to temporarily inhabit a cave.
People who abuse alcohol, class A drugs and continually trash conventional accommodation should not.
If anyone disagrees, or thinks me uncaring, then please offer them the spare room in YOUR house.
Is it OK if one of the children who live on the Orme and might play in those caves to play with the needles or broken glass these individuals leave behind?