MCAS failure is very similar in appearance and have exactly the same solution.

MCAS doesn't behave like a runaway stabilizer. MCAS adjusts the trim periodically and will back off if you apply opposite trim.

The steps to deal with runaway trim are[1]:

1 Control column . . . . . . . . . . . . . . . . . Hold firmly

2 Autopilot (if engaged) . . . . . . . . . . . . . Disengage

Do not re-engage the autopilot

Control airplane pitch attitude manually with control column and main electric trim as needed.

3 If the runaway stops:

  ■   ■   ■   ■ 

So someone trying to make sense of MCAS would logically stop at step 3 and not actually disable MCAS.

1: http://www.737ng.co.uk/737-800%20Quick%20Reference%20Handboo...