...he’ll be throwing to better more athletic WR’s who will be covered by better more athletic DB’s than he had to deal with while at BYU. His WR corp will be a substantial upgrade vs the typical BYU WR.

Whether or not the windows are tighter or not won’t be because it’s the NFL, it will be because of the quality of WR’s on his team vs the quality of the DB’s they go up against. His skill and ability to throw to a really tight spot is irrelevant to the talent level of the guys he’s throwing to or the guys covering them. All the ships in the harbor rise with the tide. Now if he has crappy pass pro and is facing a stiff pass rush that is something that would affect his ability to fit the ball into tight windows.