We should not doubt about ownership if account recovered by forum. Account recovery team will not handover a account to other user. Because there is need original email address which was used during registration and staked address. So it doesn't matter account operated by whom. Main fact is forum itself give him ownership of account.
What happened if account sold with stake address key and original mail? In that case admin or recovery team investigate about IP address, and it is noticed from below quote,
Limit IP retention:
Reduce the retention of your future logged IP addresses. This will make it far more difficult to recover your account if it is ever stolen; make sure that your email address is correct and that you have staked a public key.
So if account manually recovered by forum, that means forum itself giving statement that account holder is original owner. If there is no any other issue, you might remove your negative feedback (IMO), although its depend on you but at least we should respect forum/admin statement.
With that said, an account seller could probably abuse that in a few different ways. They could force the recovery from a real buyer. They could fake a hack and a recovery in collusion with the buyer to make you think there was no sale. I wouldn't take this seclog entry as gospel.
As I said above, most likely account recovery team also checking IP details.(Not sure but probably on specific case)
Edit,
Seems mentioned user (RAGEmond) is correct, account recovered today,
Today at 11:25:01 AM - RAGEmond - manual recovery, previously-queued ownership change completed