I find it odd people are willing to take such a huge pay cut. A lot are probably working more hours each day, and in any case could have negotiated 4 days with

I find it odd people are willing to take such a huge pay cut. A lot are probably working more hours each day, and in any case could have negotiated 4 days with zero pay cut. There is a case to be made that the week wouldn't be 20% less productive, and not quitting for a job with your preferred schedule is a win for the employer...