Her agenda is about making crypto accessible to lots of people that it's not currently available to. To those people, hackerdom often looks like an undifferentiated mass of white dudes. Leaving race out of a discussion like that is not a neutral thing: omitting race is a statement of its own.
This isn't the white males fault though, I am sure all of them would be happy to see more diversity. The event is open invite though and this is the crowd that it attracts right now.