Oh, come on. Don't be such a geek
. It was never shown how well known Scotty is in history. Kirk and Spock are probably the only ones from TOS that is revered and well respected in Picard's time. Scotty and McCoy may be familiar to those in their respective fields. Sulu, Chekov and Uhuru probably have been forgetten by most.
Sulu was very well remembered in the 24th century. There is a bust of him at Starfleet Academy.