I don’t know if I’d call it monopolized exactly. It’s not like we can’t get alternative email accounts from other companies to corporate to encrypted to private server, etc.
Google absolutely has the most say in what’s correct about the protocol/security because they’re the de-facto standard for individual user accounts, but literally nothing is stopping you from running your own server.
GeoHot has always been a weird dude lol. I’m unsuprised.