No one blamed the Ukrainians. Especially not Jeffrey Sachs.
Maybe if you weren’t talking out of your ass, you would be invited to participate in negotiations yourself or speaking in front of the EU on your expertise. But that’s not gonna happen because you are in no way his equal, regardless of how much esteem you hold for yourself for dutifully repeating NATO propaganda.
When you consider your beliefs and biases to be equivalent to the actual expertise of others, it’s time to talk to a doctor about a possible personality disorder.