I asked the same question when I joined BB. I got an answer that a PG with low JS couldn't be effective in BB. So I left it at that. Now after a few seasons I can say, that if you run LI, Rajon is the way to go!
1. Such PG is considerably cheaper in salary.
2. With experience your PG with low JS, won't attempt too many jumpers, but will look to drive or pass or both.
3. Rondo is the greatest PG in the world and Danny Ainge is not right in the head contemplating trading him.
4. I have a cat named Rajon :)