I think this concept goes hand in hand with the uprising of guilds that are financed with gold made from the recently fixed crafting writ glitch. It is what it is. Just assume the big money in the game is corrupt- just like real life, lol.
Everyone wants to be a chief and there just aren't that many popular stalls. It's harder to be a follower than a leader.
That being said, Zenimax can only go so far with figuring things out. They have no access to ebay or social media which would allow them to see the person who actually made the transaction. They're ZOS- not the CIA. I buy guild traders for 100 gold if I miss my bid and find an unclaimed one. How the heck would I know if I accidently stumbled on a disbanded one and scooped it up? Then I can end up with my little guild reported by a Witch Hunter?
"How do you know she's a witch? - She looks like one!" It's all a bit Monty Python to me. Let's just find out who weighs the same as a duck and get it over with.