Bluesky is very intentionally about public posting. It's a bit weird to say people "don't care about privacy" when speaking of a platform designed to amplify and distribute posts as widely and effectively as possible.
There is a lot of weirdness around Mastodon, particularly some people can’t seem to make up their minds if they want the stuff they post to be visible or not.
There is a lot of weirdness around Mastodon, particularly some people can’t seem to make up their minds if they want the stuff they post to be visible or not.