In the end, it's up to the pilots to use good airmanship and fly the plane That's why it's incumbent upon Boeing to let the pilots know about all of the syste

In the end, it's up to the pilots to use good airmanship and fly the plane That's why it's incumbent upon Boeing to let the pilots know about all of the systems. Trim system doing something you don't want? STS generally does this by design. Disable it and fly the plane Boeing claims that MCAS is a part of STS. Well, you can disable STS quite easily by pushing/pulling on the yoke. You cannot disable MCAS this way.