And any other deal we already have sites that do the escrow for use like LBC, paxful etc
You do have a point. But at the same time, we could actually have a clear, public, historic record of accounts which have been sold/bought. I'm sure this information would be valuable to some people.
Furthermore, I'm actually looking at bring-out extensions which highlight accounts (on this forum) that have been put-up for sale. It might not be suitable for some people, like everything else, i understand. But i'm sure someone, somewhere could really use these sort of simplifications, and openness of this market.