Dorsey had a problem that you get in a lot of other sports. Especially sports this side of the pond. In that he set up seemingly unaware of the opposition. Like, ‘here is what I want to do’ and hopefully that’s enough.
But it never works. Theory only takes you so far. What ‘should’ work doesn’t. Because other people can think too. The ‘process’ may work off the field but it’s dumb on it.
The best coaches feel a game. They adapt in-game. And it’s not about using a playbook as a bible - it’s about using it as a toolkit.
Though - as wiser people than me have said on here - it’s easier when nobody knows what you are doing. The measure of Brady will be how easily he is found out. But, from what I saw, he might just be clever enough not to be