Why would it have been stopped? I don't see anything non-factual, and I regularly pass by that tree. It is well known and referenced [1].
[1] https://www.theartnewspaper.com/2023/12/07/hampstead-heaths-...
"slender trunk which facilitates gay sex"
You don't see the euphemism?
"slender trunk which facilitates gay sex"
You don't see the euphemism?