To be fair, this is like the receptionist who wears an extremely low-cut sausage-casing dress, and then demands no one stare at her boobs that are practically being served up on a plate.
If you hang it out there, people will comment, voice their opinions, throw in their 2¢, and so on. It’s unreasonable to expect them not to. And even if you start a thread, you don’t “own” it and can’t dictate terms. (Well, not until you create and run BudgetArtificialSweetenersForum, that is.)
In fact, what you yourself said…
It is CONTROVERSIAL, and to discuss this issue is to CAUSE TROUBLE on BLF.
…makes people wonder, why bring up the subject at all? It’s waving a red cape at a million bulls, and expecting if not demanding that none of them charge.