100% correct. This season, for better or for worse, is about seeing if Manuel can be a capable starter in the NFL.
They NEED to find that out to determine a path forward, i.e. do they need to make QB their primary focus this off season or not.
Right now, and particularly after that pathetic performance by Manuel yesterday, it is easy to let your heart make the decision to start Orton. But that resolves nothing other than appeasing some homer fans bloodlust. They HAVE to find out. And after only 4 games this season they do not know yet. So untie your panties and unclench your ass cheeks everyone, grow a pair and ride it out. And make no mistake, it is going to be a bumpy and probably ugly ride.