At least on mastodon.social, the character limit is 500 which isn't that much more than 280. (Oddly the limit on alt text is more generous at 1000.) People stil

At least on mastodon.social, the character limit is 500 which isn't that much more than 280. (Oddly the limit on alt text is more generous at 1000.) People still break up their posts into multiple messages. There are likely other instances with higher limits on post length, but I don't know how to search for them. (Also, performance varies a lot, so an average would be kind of meaningless if even knew what it was.)