If you’re comfortable with using codeberg, yes, that’s the best place. Otherwise you can post in the comments of the original thread, complete the survey, or use github issues (if you must).

Sadly I don’t have an einc device. But if someone does, we’d be happy to accept feedback and include some images.

All responsible server admins have them defederated. Hate speech and genocide denial, that is almost certainly against the law in Canada, Germany, and other places. We defederated lemmygrad for the same reason.