See
Basic concern is if AI takes too many jobs, it could raise unemployment permanently and structurally eventually (AI could provide more jobs temporarily, but net eliminate jobs over time), which makes FIRE a terrific mitigation. But Coast FI or Barista FI dampens that risk reduction compared to full FI.
Nick (the guy behind "Of Dollars and Data") summarized this logic as follows:
Why take the step back now when you could do it in a few years? After all, if AI doesn't take your job, you're fine. And if it does, you'll be glad you acquired as much capital as possible while you still had the chance
Here he covered it more completely on his own blog