If someone doesn’t want to be seen by journa.host, so what?
Not everyone wants to expose themselves to the glare of press. That’s their choice.
But again, only 1.7% of Mastodon has chosen that option.
An option, by the way, which isn’t available on Twitter.
Here’s the other thing. If someone vehemently disagrees with their server blocking journa.host, they can always migrate to another server—or start their own.