His defensive coverage calls were always very basic.
Even before his last season went off the rails articles were showing how he would typically not blitz, except on certain downs and with the slot corner, but he was somehow fooling the offense by showing blitz but not blitzing on X down but then on Y down.
In Chicago, in 2023, he ran a lot of cover 2, which wasn't paying off. He switched to cover 3, which suited his players better.
But here, I just don't think primarily zone coverages suits our guys