When I wrote, I was thinking of the parallels between wind action in a thunderstorm, and flying in mountains in that a pilot can momentarily get confused as to the correct action to take in a temporary updraft.
Yes, your suggestion was/is a possibility, but it might have been a stall produced rather than just a dive. But the FCS computer might have been the problem (like the Paris airshow crash, post 12) rather than the pilot.