This is a community Action, executed by a Moderator of the community and, based on the rules of the community and the Post content completely legit.

No, this was done by the instance admin for censorship in the name of furthering the political agenda of Russia. They’re not a mod of the comm and the comm did not take this action. Rule 1 referenced in the modlog is not referencing the comm rules, but the instance wide rule of lemmy.ml (even if it was, a blog post is not a “real news source”, but it’s allowed to stay because it further their pro-Russia/pro-Putin agenda)

The blog post is spreading misinformation by an journalist known to do so, the comment that was removed was critical of it.

These are the actual mods of that comm: