A few things - first, Ju Ju is a much more reliable receiver than Rogers. Key play, a QB wants to go the guy who is most likely to make the play if possible.
Second, when Ben locked in on Ju Ju, he had made the cut inside and was going to be really open. Then, the DB did what the Jags did most of the game, grabbed his pads the neck to pull him back/pull himself back into the play.
If you watch the replay, Ju Ju outstretched and got the ball, but not enough to make the play. If the DB does not grab him like that, Ju Ju makes that catch easy, probably get some good YAC off it, too.
NOT saying the interference non-calls were the reason they lost.
Finally, minus Ben, this team is not even in the playoffs to begin with.