Are you unaware of what he has done?
Saved the Pats from moving
Turned a losing franchise around (before Brady)
Started if I am not mistaken the longest sell out streak in NFL history (still going)
Built a modern stadium with mostly his own money
Brought modernization and who knows how much revenue to Foxborough
Has been a major key player in negotiations for the CBA, being credited by the players for avoiding a strike
Has been the major spearheader to develop the NFL overseas
For all the things folks can be upset with him for, supporting Goodell, getting a handy etc...what he has done since buying the Patriots is nothing to simply dismiss.