But you need to do both. It's also not only about what you say publicly, but about what others can hear you say. This means that even if it's a private conversa

But you need to do both. It's also not only about what you say publicly, but about what others can hear you say. This means that even if it's a private conversation, but somebody might be recording it, then you'll have to be on your best behavior. This likely means that you'll have to be non-controversial with friends and family in private too. Just look at Brendan Eich and Mozilla. One $1000 donation ended it.