Boeing seem to want the public to trust that newly certified 737 has all been sorted out even in the light of the organisational and communications difficulties between the FAA and Boeing that have been exposed.
https://www.fierceelectronics.com/el...-before-flying
“Because the FAA has not released data on how pilots can operate MAX without MCAS and autopilot, it makes the plane safety, in our view, very problematic.”
...
Specifically, the full FAA ungrounding order of 115 pages says tests have been conducted of MCAS and that MCAS passed the tests “but the FAA doesn’t say what the test were and what the results were,” Hudson said. “There’s no way outsiders like Travis can review whether the MCAS fix is going to work safely.”