[BBC-vs-neolibs]

It's not quite like that.

It's not that 1967 design is unsafe, nor that the MAX design is unsafe.

The problem is that 737 pilots were allowed to fly MAX max without recertification. A recert would cost a lot for the airlines, so Boeing pushed the idea that MAX is a drop-in replacement for the vanilla 737.

The whole idea was to make a more efficient version of the 737 with no substantial changes in flight characteristics. As it turns out, the change in behaviour is substantial.

The foul play is Boeing pushing the regulatory agency in the US around, and the agency succumbing to it.

[landemva]

I think it is reasonable, until shown otherwise with a new type certification, to presume the MAX design of larger fans pushed forward is unsafe. Flight characteristcs are different, though currently covered up by software.