He lied about stopping use of GrapheneOS. He can be seen in videos long after still using GrapheneOS on his Pixel. Also, the reasons he stated for not using/trusting it were nonsense. There was not, and is not, a technical way to target a user with malicious OTA updates.
He was also one of 3 owners of a for-profit telecom that included Nick Merrill (Founder of Calyx). https://sec.gov/... is the SEC filing for shares issued in February 2024 .