It always amazes me to see a player in the NFL carry the ball with the wrong hand as they run down the sidelines. It is one of those early things taught to the little guys in Pop Warner league. It's fundamental.
So, yes, no matter how well he played this game, James Jones deserves to be blasted for not properly protecting the ball when HE NEEDED TO. He didn't even bother wrapping it up with his other hand-- which apparently was needed to do something else at this particular moment.
Complete unacceptable failure to do his job, imo.
Then, when I saw the fumble "defy" physics and twirl just inside the sidelines and the defense fall on it without managing to boot it out of bounds as usually happens... well, I realized that this just simply was not our game.
Oh, well. Hopefully next week, Coach will "straighten this stuff up".