While Sloan undoubtedly has talent, I wouldn't be trusting Anasta, he is probably just trying to get another client as a player manager.
I rhink the best people for talent identification, although they are not always correct, are the talent scouts, but the quiet ones, not the ones who are chummy with the press. People who have been in rhe game for years and can really spot talent. Anyone who has been in the game can spot someone like Sua'ali'i, the trick is to spot the 15 year old kid who is not the best in his team but with a bit coaching can turn into a very good player. Even Bennett for all he has done in the game, you wouldn't think he needs anyone to help him, yet didn't he have someone (name escapes me but I think he was also Jack Gibsons assistant) in the box with him on GF day in 2010.
I wouldn't trust any of them in the press or tv these days. When they call every second player as being a great player, then immortal if not enough for the Raper's, Gasnier's, Chang, Fulton, etc. They all just want to be in the good books with the players and clubs.