[windexh8er]

> The 737 airframe is actually relatively stable compared to many other things that fly.

I agree, so where is your comparison of 737 Max and non-Max airframe? Because we have real data, including death toll, that shows one airframe is not like the other.

> Boeing's mistake was in underestimating the burden placed on the pilots in a runaway trim situation, and assuming that pilots could execute a recovery procedure correctly that remained unchanged from prior iterations but that had also been rarely needed on prior iterations (vs. the MAX, where MCAS failures were common enough that an average pilot might actually need to execute the procedure).

This is not the whole truth as we know in this situation MCAS 1.0 was a critical flight system with a non-redundant data source. The "burden" placed on pilots was that the system did not have sufficient and trustworthy information to prevent a faulty and inadequately designed system (MCAS) from crashing the airplane. Furthermore since MCAS is not required, again, on non-Max airframe it seems your assertion that you have background in aerospace engineering is egregious because you should understand all 737 Max are currently grounded because the 737 Max is not a 737 airframe and should be recertified as such.