TL;DR - Former Tesla data labelers say FSD relies on laborious mapping for hazards. Crash data analysis shows Tesla exaggerates FSD's safety via flawed methodology.
Frankly I'd be shocked if this weren't true
I was already concerned about this ten years back when I still trusted Musk to be at least trying to do the right thing.
Now that he appears to be firing the bringers of bad news, it can only get worse.