The entire Games subforum seems to be paywalled now. It's a shame, too, it was one of the few places you could read something negative about SC without it being drowned out by vocal parts of the fanbase. I think the last significant event was banning of a goon from RSI forums for informing someone about chargebacks through the PM system.
This is every single game. "polish" is just the process of hiding the tape.
Maybe you're right, but it didn't feel like something easily fixable.
E:D has simplistic flight model that does not even attempt to physically simulate forces acting on a spacecraft. You are comparing apples and oranges.
Also, in my subjective opinion, Star Citizen game feel, as a whole, is already superior to Elite: "aeroplanes in space" Dangerous. Even if Elite "physics" may feel more polished.
I was interested in the 'physically simulated' aspect of SC at first, but the fact a Mustang or those Vandal fighters can fly in a straight line killed my faith in that. It's a shame, too, the potential (and limitations) of that approach were visible back in 0.8, when the Aurora was unable to yaw at high speeds due to IFCS freaking out. Besides, KSP already does that, there's nothing impressive in it. As for E:D's 'airplane physics', I'm guessing it could be easily fixable by changing some values in XML file somewhere.