Disagree. He has as much right to express himself about stuff he has a meaningful understanding of, or otherwise, in any forum that will have him, as you do.

Disagree. He has as much right to express himself about stuff he has a meaningful understanding of, or otherwise, in any forum that will have him, as you do. If you don't care for what he says, you can just ignore him. I won't comment on "hologram of a 1960s hippie" because you said it like it's a bad thing.