“This video explains really well. “
Stopped watching as the video is WRONG on why the MCAS was installed.
The bottom line is that the plane (the MAX) needed to be fully certified, not “recertified”. Recerts when only a minor change was made. They lied and pretended that only a small change had been made (which is why the did’t detail the changes in their manuals or require full training for pilots. Certification takes much longer than to re-certify because they wanted to get the plane into the market. In other words they murdered several hundred people. Signed: a 30+ year aviation engineer (contract and now retired) (many years with Boeing and Airbus).