when you sign up for bsky you get to pick things you’re interested in. if I skipped, can I not go back and pick stuff now because my feed is a mess of stuff I really don’t want to see.

I too made this mistake. I am going through settings looking for tags to block etc but not sure where to find preferences.

I also made this mistake and want to skip that feature now that we know we can add randomly afterwards 🤷‍♀️

It's very easy to accidentally put yourself on the "Discover" feed instead of "Following", especially on mobile, so confirm that first. then: Settings >> Following Feed Preferences >> Show Posts from My Feed This might be on and putting stuff from Discover and other feeds into your main feed.