On the other hand, there are state actors whom will profile you for using a Pixel phone as they assume you're running GrapheneOS, so the promise of privacy seems to be working for a lot of people if it's scaring them that much.

And with your logic, you would also need to say that QubesOS / Whonix / Tails are all Disappear/Honeypot operating systems since he's known to run those as well. It's much more likely that the disappearance is due to the fact that his adversaries are very powerful state actors and it takes just one slip up in your OpSec for them to pwn you.