All this aside (with options, training, etc) - but the net is - why does the 7M8 need MCAS in the first place? To compensate for design issues. Older 738's don't have MCAS and don't crash like the LyonAir and ET planes. One of these options is just an alert.

So you are flying a new aircraft that is suppose to fly automatically, but you really need 3 well trained pilots to fly the plane so if a problem arises they can switch to manual, and use their skills to recover from a stall or dive.