I don’t think I agree with this. I think Jared feels he, and he alone, has the BEST handle on Sam as a character. He made a point in several interviews about changing three different lines of dialog in the finale. And that’s the not first time. I also don’t know if he always watches every episode (either of the boys). Some for sure, but not positive it’s every one.
Also, he can’t simultaneously be guilty of lobbying for super Sam scripts (a complaint of the past by some, not me) AND also just perform what’s on the page. I think he’s more engaged in the character, based on