On the whole Hartman pushed the ball down the field more. On attempts 20+ yards down field: 23/56 in 2020, 45/99 in 2021. But in reality they still attacked the short and intermediate game a lot: 80/142 on balls 10-19 yards from the LOS, 136/190 on balls 0-9 yards from it.
Part of it is it's not just a Hartman problem of going away from over the middle. Jamie had that issue as well and it was masked by having two twin towers on the outside that changed 50/50 balls to 70/30 balls. But there were quite a few times where Wake really didn't need 30-40 yards and Jamie went "fuck it Sage/Scotty down there somewhere" The reads are outside to inside more often than not, so when you only have a limited amount of time, you're kind of forced to chucking it down field. Last year, they didn't play that many people that blew up the interior: Clemson, Wisconsin, and NC State were the only three teams that did it.
Other than defensive scheme, there's not really another reason besides that's what Hartman does. Every quarterback has limitations(and it's not meant as a dig) but Hartman has the Carson Wentz issue at times. He wants to make the big play, and Hartman was absolutely elite at throwing the deep ball last year. He was a top 5 QB in what PFF defines as "Big Time Throws", but sometimes he's got to take and make the layups