Maybe. There are a lot of online games where nothing is worth anything, but I don't think those are default high-trust societies. People will log in just to annoy the other players.
Sounds like they trust the game’s anonymity and privacy policies.
Or, live as a solitary hermit and the average person you encounter is almost exactly like you. But how do you know you can trust them after they’ve isolated you from society?
So sayeth Epictetus after his prized lamp was stolen!