You are doing the complexity of history, and the due diligence of objective assessment and focus, a great disservice with those gross similes.
Let us stick to a fitting analysis for the point of the limited trust entities can give each other, and let us stick to actual events for what the crimes committed are concerned (for the respect due).
Putin is under an arrest warrant from the International Criminal Court for war crimes. Rapes and killings are widely documented as part of the war he started. I don't think the parent comment was overstating the crimes in question in its simile.