You can say the warriors play small ball all you want, but their best lineup goes:
6'3"
6'6"
6'7"
6'7"
6'9"
I also see what you're saying about chris paul, tony parker, patty mills, etc. But Patty Mills was drafted in 2009. Chris Paul in 2005. Tony Parker in 1978. Chris Paul was drafted 4th, but Tony Parker was drafted 28th. Patty Mills was drafted 55th.
Trae will make the NBA, and I think he will be a very good player. I just also think he's got a steep hill to climb to work his way into the top 10 of the draft based on what the NBA values. I also think the Big 12 is going to beat him up physically, and there's no way he can sustain these numbers against a night in/night out beating from big, physical guards.
Consider this guy: Big 12 player of the year, Wooden Award Winner
21ppg
4 rpg
5apg
50% fg
47% 3pt
He did that against maybe the best schedule in the nation. He's 5'11" and was drafted 34th overall. He's also the only player under 6'3" to win the Wooden award in the last 12 years.
The NBA values size and jumping ability. Trae's speed is going to mean something, but where guys like Bamba from Texas are going to get a ton of credit just for being big and athletic, Trae is going to be given debits for the lack of those things.