Please make sure you have “undetermined” selected in your list of spoken languages in your lemmy settings in addition to any other languages you speak.
Most lemmy content does not come through with a language tag, and you need to have undermined selected as an option to see that content.
Yeah. They need to include it by default, but let people turn it off.
They also need to let people choose a default language for their posts so that more of them actually have language tags.
They’ll get there eventually