Red@Killab33z_OG @loewe @FediTips and am all for that, thats why I think the fediverse is superior to any other social media but I think it's good manners to at least tell your users you are now going to block an instance and let them give their feedback.
If we do not have a good communication channel user/admin we are going to end up with one person instances all over the place.
All GNU social JP content and data are available under the