Most people on here who have info can't source it otherwise they would have no info. I mean it's pretty easy to tell the people who get solid "inside info". Listen to those people, and doubt the others. But you will never see anyone sourcing their "inside info", nor should you expect it, just be happy you got it, or just ignore it.
And unless you have a relationship with an offensive coach he isn't going to tell a complete stranger something they may or may not have planned.
As I said earlier I have no idea if IB is messing around here or is serious, but he has always provided solid info in the past. I will also give an example. Last year I got very solid info that Isiah Johnson would be moving to DT, along with DE. Johnson hated playing inside, and refuted the "rumors" because at the time he didn't know himself that was the plan for him. Well we all saw where Johnson ended up playing. Obviously that's not as big as a switch from D to O, but it shows that the players have no idea what's in store for them. Corey Winfield was as shocked as anybody when he was moved to CB.