Yes, TC was only going to have him carry the ball once. Yes, that's exactly what I though when I said that maybe he wasn't going to be a major part of the offensive gameplan last season. Your claim that he was going to be a major part of the gameplan based on the fact that he had gotten 1 carry in the second quarter of the first game is more speculative than thinking that the staff wanted to see what their new toy could do.
Was Wilson in the doghouse for a game or two because of the fumble? Sure. However, if the fumble was such a serious issue that warranted a serious reduction in playing time, then TC wouldn't have had him returning kicks. TC values ball security more than explosiveness on ST. Wilson was kept out of the line up much of the year because he was not ready to do all the things we ask of our RBs, namely pass protect, (and in some early games didn't make the most of the opportunities given him; I do remember a couple dropped passes and some runs that went no where).
So, go ahead and think that TC benched our first round draft pick for the majority of the season because of one fumble.