Everyone makes off-target throws. Luck, for instance, threw behind or over his guys a few times.
The problem Tannehill has had the last two weeks is that he has straight up thrown uncatchable balls to open receivers, at least two of which should have been touchdowns. I can't absolve Tannehill of that blame. My only gripe with the way people are ragging on the QB is, they are blaming him for EVERYTHING, even things where the WRs just straight up drop the damn football. People on this board love to trot out all kinds of statistics to say that the QB sucks, but how about the statistics that say our pass-catchers suck, too?
QB needs to stop missing throws, and receivers need to stop dropping passes. I will concede that both errant throws and drops do happen, even to good players, but the rate is unacceptable on both ends. And quite frankly, I have higher expectations for my QB than I do for Brian Hartline.