No issue w/ the assessment.
JT, while respected, is also in the same boat as the typical person - he doesn't know the intracacies of the plays being called. He also on more than one occasion has expressed his bias towards the scheme (did it in the week 2 video) about how he doesn't like some of the play design.
No different than anyone else NOT in the Saints FO his opinion has to be taken w/ a grain of salt. Even without seeing the vid, it's pretty obvious that Rattler needs some seasoning. Best case scenario he's alloted the year to learn because Carr is healthy. That jives w/ what everyone has said, and also with his draft position. He's a high upside guy who isn't quite ready to be QB1 right now.