Oh he was serious. He even backed up his claims with this:
An article predicting the rank of TEs before the season.
This thread has been one of the most glorious gaffes around here that we've ever seen. It's not quite "Joan Waylon" level yet (how dated is that thread? Nearly 10 years. Yeah, for real.) but boy is it up on the list.
Not saying you can't find a "good" RB in different parts of the draft. Same logic can be used for CB's, LB's and other positions that vary in depth depending on the draft. My point is that Barkley is a RB that looks to have elite-level talent, not just "good".