I'd add to that having a cutout that disabled just the MCAS system from the electronic trim system. It seemed part of the problem in the crashes was that after

I'd add to that having a cutout that disabled just the MCAS system from the electronic trim system. It seemed part of the problem in the crashes was that after the MCAS applied it's huge trim the forces were too high to manually recover so they turned the trim back on and MCAS started forcing the dive again.