All I can say is, as a licensed electrical engineer, I know exactly what I did to my system and I know that it is safe, but I like to join these threads with some popcorn.
And the follow-up questions to Ford posted on the subreddit pretty confidently confirm that Ford is not sharing that information. Sounds like that original Reddit post got deleted because he was lying.
These meter base transfer switches were added to the NEC in 2020, and if PG&E is having them installed I would not be questioning its safety. There is no reason to fear monger.
That looks like a version that DOES show if the car is locked/unlocked. Nice to see that coming up. AND a dark mode? That is a modern looking app right there.
I doubt it is out of stock everywhere because my dealer reached out to me this week to schedule a mobile tech to replace mine, theyre coming out tomorrow.