The real question is, why are these trust details hidden while logged out, and why hasn’t this user been banned yet?
Because of the laziness of people, you are planning to buy from here and do not want to log in or at least do a Google search for that user.
In general, buying all cards from unknown people is extremely dangerous even if you have not been scammed, "the most famous way to get bitcoin anonymously."
I do not expect anything will be done soon regarding Youtubetv, but there have been suggestions that there be a welcome message explaining all the details of the forum or at least a message that the sticky topics must be read first.