Vehicles designed without power assist usually suffer no power assist consequences from engine events, having no power assist to disable. This is in reference to the pre-power assist vehicles and occasional more modern vehicle without power steering.
Power steering having been around as an option since what - the 1950s
This is precisely the scenario described in the recall. It is also worth noting that GM has instructed owners to remove the OEM key fob from the keyring along with any other items.
Well, after owning one of the affected vehicles for six years, and living out on extremely bumpy gravel/dirt roads, this is
one problem that we have yet to experience.
I really question this happening on the highway unless you have a half pound of stuff hanging from your key ring, or more likely accidently bumped it while holding your beer between your legs.