What does any of that have to do with his coaching accomplishments? He could go up there and take his shirt off and blow raspberries at the press for every presser for 20 years and it wouldn't make his accomplishments any less deserving of first ballot enshrinement.
There isn't enough appreciation for the decisions coaches must make.
Any organization needs to make decisions that are best for its future.
I would not expect Brady to take the drafting of Garoppolo any different than he took it, as an affront, as a moment of doubt.
But I wouldn't expect a Coach / GM to do anything other than prepare to move on from their QB. When Garoppolo was drafted, Brady was 37, and would be 42 at the end of Garoppolo's rookie contract. Would not expect anything different than showing the owner a study of QBs falling off in their late 30s. For Montana and Favre, their understudies joined the team much much earlier (age 31 for Montana). This is the normal thing for any GM to do.
Both Belichick and Brady behaved properly.
The other problem between them was Guerrero.
Again, I 100% understand that the mindmeld between Brady and Guerrero meant that for Brady, this was the way to optimize his performance. This is why Guerrero was in the locker room for so many years in the first place. But when Guerrero overstepped his bounds and countered the coaches with other players, there was little Belichick could do but ban him (as I understand it, he was given a training room in a small building outside, but I may be wrong).
Does anyone know of any other issues between the two? There may have been some fighting over lack of WRs in 2019 when Edelman was hurt, but it was certainly not for lack of trying as so many WRs were brought in.
I can't recall any other fights.
But I'd say none of this was surprising, normal, or bad behavior by any of them.