He did not overactive when he inherited a leafue one team with mawson robo bree.winnall brownhill hammill Conor scowern watkins and.more That had already won 7 on spin that team was way too good for league one. When the momentum and Conor went it went downhill.
I’m just meaning Heckingbottom himself from when he took over. If he’d started the season as manager with that squad then I agree we should’ve been top 6
He overachieved in getting them promoted from mid-table. You mention Bree & Watkins but they barely played under Hecky that season due to injury. Roberts at the time wasn’t seen as good enough by many & only got in the side due to Long going back to Burnley. He didn’t just keep that team ticking over he had to change 4 key parts to it with losing Watkins, White, Bree & Long.
That was because we were massively underachieving untill Xmas time robo played almost every game since Xmas he also had George Williams who hecky deemed not upto the championship and Ashley Fletcher to replace watkins and bree it' football players do get injured we had great squad depth for league one.