so will the software fix, and slightly updated training, be enough to get the MAX back into revenue service?
I predict after ET not. It's apparent even with MCAS turned off, the cockpit does not return to peace and tranquility where average ability pilots can regain control and land. It's apparent from the ET interim report that a lot more was going on in the cockpit, and that was it was beyond the two pilots to get it back together, mainly due to excess speed and aerodynamic forces making proper trim next to impossible without some, as yet, untrained yoyo, manoeuvre.
I would suggest no regulator would be willing to pass the MAX back into service based on a patch and minor training update.
G