Not if it increases profits of hardcore account farmers due to them being the only people who sell accounts in the short term. Negatives mean nothing on some random newbie account.
I have no idea where you're getting this from, but this won't be the case.
Also in longer term you strengthen anonymous account farmers position and alienate hundreds of better quality members in 1 swoop.
Again, neither one hits. Exactly how would we strengthen the position of account farmers if we disallow account sales? This is contradictory. Quality members will be not affected at all. Unless you're talking about signatures, in that case neither one is true again. People which do not post solely due to being a signature campaign participants, will continue to post as nothing has happened.
The OP and some of people in this thread were suggesting negative feedback bombing people who sell acounts or who are involved in any way that is what i was referring to. I would suggest if that ends up happening to first warn people first for a while - "stop selling accounts or else etc" if newbie account it doesn't mean anything, might aswell negative feedback bomb.
If you are banning account sales and its an official forum decision then yeah discussion is over, you just delete topic, everyone has to agree

If you ban signature campaigns then account sales will probably drop to almost nothing but forum activty also drops, does that matter? i dont know.