You're right that it didn't come down to Allen v. Jackson. But Jackson hit the big pass and Allen didn't. I love Allen and I think, despite the evidence so far, that he will start hitting brown and foster when they have a step on their defender.
I also agree that we are a year away. Give Allen a true number one with size, speed, and catch radius and I think he will absolutely shine. And I reckon we get that guy in the draft this year. Team should be fun to watch for years to come.