Death, taxes, and Ted Thompson thresholds.
There are few absolutes in this world and while draft preferences for the Packers aren’t quite chiseled in stone, they have clear delineations at certain positions where they prioritize certain types of athletes with specific traits.
Justis Mosqueda has written on this extensively. If you haven’t read his work on the topic, find it here.
But for nearly all of Thompson’s tenure in Green Bay, he was drafting defensive players for Dom Capers. As the league evolved, Capers moved (somewhat slowly) with it, and tried to move toward speed and versatility, but still with the idea of his 3-4 fire zone scheme.