Wondering why this is the top comment here.
He publicly sold a very good portion of his holdings at $6, it eventually reached $1000.
Not just Vitalik but many of these people are self funded for life and could easily walk away from the shitshow that has become cryptocurrency without a care in the world. But they don't. For all the scams and degenerates that have overrun the industry, there's plenty who persist purely on principal and the knowledge it can help someone.