Sorry to barge in but the thread caught my interest. I'm fairly new to this kind of forum, but I can imagine that even under the current rules there's a problem with people masquerading as genuine users in order to promote certain products or for other commercial reasons.
If somehow it was allowed that sourcing, prices and vendors could be discussed, I can imagine Bluelight getting inundated with subversive mud-slinging and other commercially-motivated nonsense.
BUT: I do agree that genuine users would benefit greatly from being able to share wisdom on who is selling shit and who isn't. As Bomb says, Kratom is a good case in point, but this would extend to synthetics as well.
But how could it ever be properly regulated? What if someone says "X sells shite but Y doesn't", then on this advice someone buys from Y and disagrees? Then Y becomes aware of the debate and tries to influence it and before you know it that thread is half-full (or more) of nonsense. At some point the mods have to step in, but when?
I don't know... it's a minefield on a tightrope if you ask me!