also, you cant say Mack for Brisker, you have to say Mack in the next three years and his salary cap if you keep him vs Brisker for the next three years plus whoever else you sign with Mack's money.
If it helps, the Patriots dominated the league for many years doing the same thing. Every year people were shocked when Belichick traded away good or great players in the last year of their deals. To be fair Belichick also showed an ability to find players in the draft who grew into substantial roles and kept the train moving.
It is fair to wonder whether Poles will have an eye for talent going forward, but there is no reason yet to think he won't.
If I had to bet, I'd bet we will all be singing his praises in a year and two years, and unlike what weve see from the Bears before, this will be on a sustainable model, not a "the window is open so lets fake it by spending future dollars and draft picks to win ONE now"