There seems to be in this thread an early fixation on a previously known cause. This flies in the face of the ability of the industry to assimilate previous causes and promulgate corrective actions world wide.
You would think so but it seems not.
The Flight Radar data fits another MCAS event and not much else.
737s dont just augur in.
Flap retraction can be initiated as low as 400 feet,more commonly 800 feet.
So MCAS event is entirely feasible.
Skipper new to type<-------red flag
Co-pilot 200 hrs<-------red flag
New Skipper rostered with inexperienced co-pilot<------huge red flag
Ethiopian track record<------red flag