These days I think that isn't true anymore. There are a lot more ways to share files now, so if you threw up enough barriers people who want to do it would just

These days I think that isn't true anymore. There are a lot more ways to share files now, so if you threw up enough barriers people who want to do it would just go find another platform. I'd be completely fine with a Usenet type of protocol that disallows file attachments altogether, adoption might not be huge, but maybe that's fine - projects like Gemini and Mastodon are valuable for me even if they're not replacing the WWW and Twitter.