To me, Winteroff's tenure was interim CEO major accomplishments were hiring Timothée Chalamet as spokesman and throwing fancy parties in NYC. Not obvious what he has done to address Lucid's business and technical problems which got significantly worse in this time frame.
My understanding was, after Rawlinson's departure (and Eric Bach), Emad was in the center of all of the technical issues, HW/SW, not just powertrain. Things like Service was probably not under Emad.
I am NOT saying Emad didn't try or didn't make any impact. Emad's reaching out to
@hmp10 was a good example.
For whatever it is worth, either Emad has had enough or he was not getting the trust and support of the new CEO.