Same for microwave oven turntables. Just checked our newest Panasonic Inverter Genius blah blah blah...ten restarts. Reversed every time. Could still just be a coin toss, however, no matter how many restarts - but unlikely. Still, I don't see how, after having been turned off, the motor "remembers" the previous rotation, then "decides" that next should go the other way. It certainly can be deliberately done, but to what purpose?
While I'm on Panasonic, the outside dimensions stated in our manual are more than a little off. Say, 2 inches off, usually overstated. More serious, however, the stated input current of 12.3A at full power is actually just under 19A (measured variously just in case, and confirmed by tripping a 15A breaker). 'Cooking power", however, (initial temperature, temperature rise, time, volume), does correspond to the advertised 1200W. It seems that the UL and CSA certification labels don't mean much regarding the incorrect parameters.
Somewhat related (reversing) is my mod to my homemade drill press. Start capacitor gave up the ghost 25+ years ago, so just hum from motor. I attached a 12" or so "steering wheel" to the quill at the top of the machine. To drill, I just push the start button, immediately and briskly move the "steering wheel" and we have the drill press running. As a bonus, I can start the drill press in either direction. Several uses for that.

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