Are manufacturers having discussions removed from Audiogon if they turn negative?


I have mostly been taking part of this forum occasionally, and from a distance if you will.  I have to admit I don't really know the kind of things that can go on, disputes or disagreements that can occur.  I have occasionally done searches in this forum using the search function to only come upon a thread that has been removed, oddly enough.

I have seen some discussions, and taken part in some others that become somewhat of a debate on certain brands, and they have become critical in some instances.  Usually fans of the brand in question rush to the defence, and from what I've seen, a healthy discourse occurs, with back and forth and occasional posts removed.  I'm thinking of smaller internet direct manufacturers such as your Emotivas, Schiit Audio, Ascend Acoustics and the like.

What I'm wondering is, have such companies had negative discussions stopped or removed?  Has anyone been part of similar discussions in which moderators suddenly step in and either lock or completely remove a discussion?

213runnin
Never noticed?? Plenty of threads, particularly the 'why power cords, or interconnect' type threads have a lot of small blank spaces between remaining posts where the obscenities and personal insult type posts have been removed. Curiously, if the removed post was the last post.. you can still see that persons name listed s last poster to the thread in your "Threads you have posted to' list. 
The off topic are not generally removed.. unless complained about AND the moderator agrees. There are endless off topic, particularly by Geoff, and enough by myself to know they are left alone in most typical threads. But sometimes NOT in the manufacturer threads I mentioned.. The black goo. magic paper and Green threads. So the Tekton thread may or may not fit into that pattern? Since the whole thread vanished, I would guess it was done by the op of the thread.
elizabeth
Never noticed?? Plenty of threads, particularly the 'why power cords, or interconnect' type threads have a lot of small blank spaces between remaining posts where the obscenities and personal insult type posts have been removed.
Oh yes, I've noticed that for sure. I thought you meant that some posts were deleted so as to leave no evidence. I'm sorry if I misunderstood you.
The off topic are not generally removed.. unless complained about AND the moderator agrees.
Yes, agreed.
...the Tekton thread ... vanished, I would guess it was done by the op of the thread.
That is what a moderator stated.
To mention/ YES there ARE posts being deleted and LEAVE NO EVIDENCE. BUT they seem to be limited to the manufacture threads (such as the black goo and magic paper threads, and the thread by 'green'. Wherein there were/are posts removed without a trace.  recently as yesterday, wherein some guy whined and used a made up word 'phooby dust'. I responded joking phooby dust is a terrible problem etc.... GONE. vanished... and like I wrote, some off topic remain, some vanish. at the whim of?? IMO has to be the honchos of the company who 'control' the thread. Since that particular Magic paper thread was NOT started by them, but a fanboy.)
elizabeth
To mention/ YES there ARE posts being deleted and LEAVE NO EVIDENCE ...
I haven't noticed this, but have no reason to doubt you. It seems very odd, and not a good practice on A-gon's part.
It may be one sensible explanation of why the multi thousand post threads of black goo, magic paper and greeny guy are void of anti- comments. Where the typical power cord or interconnect thread 50% are anti.