Where did I say he can't play in the NFL? I just said I don't think he'll be a decent RB wherever he ends up. I don't see any situation where any of his next 3 years in the league are better statistically than the average of his last 3 full seasons (throw out 2015). He's not going to put up 2,000 total yards and 10 TD's again.
You can quote stats all you want - all his stats were behind Pittsburgh's OL, in a Pittsburgh system. The same system Conner is doing well in. So there is some impact from talent, and some impact from team. If you can't see that, there's no point discussing further. The QUESTION is how much of Bell's stats are driven by Bell's talent, and how much are driven by the team he is on. You're clearly on the Bell side, I'm further on the team side.
Also, I never said he wasn't better than Conner. I think his receiving skills are clearly better than Conner's...I do think that NEITHER of them are transcending RB talents that would excel on any team in the league regardless of situation.
My point is that Bell's stats are more due to his situation and team than his exceptional physical ability. Again, to be clear, I'm not saying he's a bum. I'm not saying Conner is necessarily better. I'm saying that his talent ALONE is not sufficient to get 2000 yards and 10 TD's irregardless of the team - thus any team willing to pay him on that basis will be overpaying. That also implies that Pittsburgh would be foolish to overpay him because it's the OL/system that is largely accountable for his stats, and he shouldn't get paid for that. (Exhibit 1a and 1b for that argument are D. Williams and Conner)