Having flown 737 NG with manual stab trim after stab out of trim light on at 15,000’ I can say this.
At 250 kias forward manual trim was easy and smooth operating. Nose up trim was difficult and was not smooth.
It would have been extremely difficult/impossible to get ANY manual nose up trim at the 400 plus kias that they were at.
I would like a no look scenario in the sim.
Something no one has mentioned. MCAS is only active after flaps up. I would consider extending flaps to 1 if cut out switches proved to be ineffective. That being said, is it a function of flap position or flap handle position??