the separatist government's were legitimate
And definitely in no way funded or supported by Russia, right?
https://www.theguardian.com/world/2014/aug/26/russia-admits-soldiers-in-ukraine
https://www.vice.com/en/article/selfie-soldiers-russia-checks-in-to-ukraine/
Russia indisputibly fired the first shots, and the so-called genocide in donbas was about 3k civilian deaths over 8 years of conflict. Not ideal, but still miles better than the 12k civilians killed (often deliberately) in the almost 3 years since the full scale invasion by Russia. Not to mention the cities literally shelled to rubble.