Here's a comment for incoming Twitter users: I've found that some are really put off by the way Mastodon requires push and pull to get to information. Rather than Elmo telling you what to read (and steering you to most incendiary content), you have to go look for it and choose to consume it. Most notably, I've come to think of "Content Warnings" as instead subject lines, just like you'd use in an email, so readers can scan whether they want to read further.
@emptywheel at first, content warnings sorta puzzled me. but yes, if someone is writing a long post about how great broccoli is, but there is a #CW like "why broccoli is great".. it's quick and easy to keep scrolling..