para 2 (ie, your "See OP. Most of those ...." is irrelevant to the discussion and does NOT answer the question.
and "they sometimes backport bugfixes." So?
I guess "sometimes" is the operative word (AKA 'polecat in the wood pile') and it undermines many of your prior arguments.
Above is my last comment in this thread: I'm down to debating the number of angels who can dance on the head of a pin... and the point-counterpoint is beyond ridiculous already.
but, update: fixed missing close-quote. clarified question by adding "So"