>Commercial airliners are stable when flying. The 737 MAX is not. That's why it has the MCAS system in the first place: the engines are too large for the airf

>Commercial airliners are stable when flying. The 737 MAX is not. That's why it has the MCAS system in the first place: the engines are too large for the airframe, making the aircraft fundamentally unstable, so they came up with MCAS to try to make it seem stable to the pilots, and then they didn't even bother telling the pilots that this MCAS system even existed.