If your space is not accessible to someone they probably won't join it in the first place. If you are justifying not having accessibility by nobody there needing it, that is probably your fault in the first place
Wear a mask and write alt-text.
Mastodon is the best way to keep up with what's happening.
Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.