I'm sure this is an unpopular opinion right now, but I think the offense is improving. Not as much as any of us would like, but we've been sorely lacking talent for years. The OL is best it's been in at least 4 or 5 years, WR talent is finally on the team but extremely young still, TE has talent both blocking and receiving (with Stoll we'd be even better). RB looks mediocre still. And QB, the most important position on the team and definitely on offense, is unsettled.
AM has skills but he looks indecisive and doesn't throw accurately. LM looks like he's taken over as the starter, and while I think he looks better, I want to see a few starts under his belt before declaring him better than AM.
As for the play calling, I thought there were some questionable calls but overall thought it was fine. Not having our starting center hurt us in short yardage more than the playcalling IMO.
My take is that we're on the verge of finally putting it together on offense, and we've played what look like some pretty good defenses in tOSU and NW. Maybe LM is the final piece for this offense, but I think we need some more talent and for the young talent to develop.