Yep. I don't think I have seen a single person say he WILL be similar to RG3 (with the OL and Zeke, that would be near impossible). Heaven forbid you express any caution in declaring him the best to ever play, though.
I keep the possibility that he will take a step back in mind simply because he had such a good rookie year. He could definitely be better as well, and I certainly feel having a drop-off like RGIII is unlikely because what hurt RGIII the most is that the strength of his game was being a threat to run.