Maybe because you don’t understand their position?

He’s not saying he wants to spam the world with every private detail while giving away anything of value to anyone who asks, he’s saying he’s not going to let fear of private details escaping keep him from living the way he wants to.

I also don’t have the privacy obsession. But I wouldn’t get anything of value from handing my phone to someone I don’t trust, especially if they’re a zealot who mistakenly thinks that action is necessary to justify my choice of email provider.