People said a lot of the same things about Wade.. in fact they use to list him as a PG.
If they can utilize Smart like Wade.. then YES. i'm all in for that.
I think Dwyane Wade is the best NBA comparison for Smart. A bit undersized for the position, but athletic, strong and is fearless and can get to the rim and sometimes create for others.
If a 2 PG system worked in Phoenix, it can work anywhere else. And Smart is not even a PG.
I mean, I like the Dwyane Wade comparison in terms of what a strong, athletic, aggressive two guard can become in the NBA without much of a jump shot, and that's an elite player. That said, you're really doing a disservice to Smart if you think Smart is going to become that. Is it the tippy top of his ceiling? Probably. Is it likely that he'll become that? No, not at all. But he does have superstar ceiling, and it's at a different position than Rondo.
If Sully can improve on his three-point shooting, you could have three outside shooters on the court with Smart and Rondo (Green, Sully, and Olynyk). The doom and gloom and insistence of trading Rondo is completely unnecessary. The can coexist just fine.