Whatever you call him, he'll be the primary ball handler and creator.
This is the key point. Or one of them.
1) Tyreke does not know how to play without the ball. Watch what happens when Beno/Sergio decides to dribble the other way and play keepaway. Don't watch Beno/Sergio. Watch Tyreke. Regardless of his creative abilities, what happens there is the exact same thing that happens when somebody takes the ball away from CP3. They stop. They are the ballhandlers, everything they do is centered around having the ball. When somebody else takes it, they become inert. Tyreke is a PG.
2) One of the thigns that excited us about Tyrkee was the absolute 100% impossibility of any PG in the league being able to guard him. That is solid gold. The very best thing you can have in basketball -- a player that cannot be guarded. Who was on him against Cleveland? Lebron James -- the world's best SF. Who was on him against L.A.? Kobe Bryant -- the world's best OG. When he got Mo Williams he torched him. Against L.A. he really didn't torch anybody, but I'm going to chalk that up to an offgame. We drafted him to be a PG. And our offense has hummed right along with him as a PG. Teh constant doubleteams he draws and pressure he puts upon the defense have more than made up for being maybe 2 assists shy of being called a "true PG".
3) regarding Kevin/the OG -- its hard to tell exactly where the organization stands on the Kevin question right now, but I think the appropriate OG on our roster is Francisco Garcia. The SF is Donte Greene. The 6th man is Omri Casspi. Hustlers/scrappers/shooters all, with some ballhandling help form Cisco. NEITHER Kevin nor Reke is the guy at SG to make this work.