Its not bogus at all. He's light for a corner and for a receiver. His stamina has never been the issue at the NFL level, we know he can play ever snap of the game.
Hunter is around 190 (188 at the combine). Deion Sanders came into the NFL at 182 lbs. Was he too light to play?
If he was playing Safety, the size would be more of a concern, but you don't have to be 6'2 and 215 to play CB in the NFL. Elite coverage skills win all day and Hunter has those.
There has been a lot of players that have made a main stay in the NFL at 6ft and 190 pounds.
There's only one way to see if he can be the first to go full time both ways in the NFL and that's to let him do it.