The peak of the delta wave was 160k cases/day, and the current case levels are ~52k/day. So given that, you think most areas are having higher case loads than the peak of the delta wave? You just aren't look at the data. There is also strong reason to believe that right after a huge wave is over you can expect a relatively smooth period of time to follow since so many people will have extra immunity from having recovered from covid.

The people making these decisions are not idiots, they can look at the data and make sane and rational predictions about what might happen in the future, and then adapt if necessary.