Fix him is the wrong way to look at it IMO. You think Sam has bad pocket presence yet I would say that any QB would have bad pocket presence if he could count on slow developing plays and no time. Sam is very accurate, has a fast trigger, and is getting better at reading defenses. In a way, he is very Warneresque with weak knees and ankles.
The offense that Chip ran in Oregon is not really even all that similar to what I've seen him run in the NFL except that it is based on a somewhat spread, up tempo, and running the ball. A lot of people think Chip's offense at U of O was a lot of passing and wide open offense. Not the case. It was based on keeping the defense on it's heels and preventing them from clogging the LOS. Big front 7s always were difficult for the Ducks to run wild against.
The up tempo idea is also a bit of a myth. The Ducks routinely used almost every second of the play clock. They used a no huddle based on signaled plays from the sideline. The QB would hustle the O to the line so the defense could not substitute, then walk back and get the play from the sideline. They would generally only snap it early if they felt the D was not set. What wore defenses down was that they could not substitute regularly and they had to get into their stances and hold it for longer than normal.
What it appears Chip is doing is utilizing a smart QB that can do quick reads and disguise hand offs. I haven't watched enough of the Iggles to see if he is still using the entire play clock like he did at Oregon but I'm going to guess they are.
I had my doubts on Chip in the NFL. But I think he has tweaked his system and now pulled in the types of players to make it work. Is it going to work against playoff teams? I still have my doubts. But Sam has an opportunity to put up some gaudy numbers and if the defense is decent, that should result in a lot of wins.