I used the polarized plan without AT for two cycles of the plan. After that my progression levels looked like:
After I got into AT I used plan builder to make a plan and then, per @IvyAudrain, swapped the base phase for polarized. Now, after a couple of weeks, my progression levels look like:
To me it looks like AT is gradually changing the plan to a typical, non-polarized, plan after starting with a polarized plan. I don’t know if AT is smart enough to realize that I started with a polarized plan and then keep it polarized. @IvyAudrain any opinion of that?