Zelenskyy of Ukraine made the wrong judgment

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What Zelenskyy did well was defending the country for now; that is certainly something remarkable.
However, his subsequent judgments were all misses. Can one single achievement cover up his current mistakes? That's a stretch; there is a point where everything must end.
I suspect one reason Zelenskyy risked his life to defend the country might be related to his own corruption issues, but still, you have to praise a supreme leader for defending his nation like that.
Zelenskyy's worst possible judgment was grinding down all his troops in an attempt to reclaim eastern territories, and to make matters worse, launching the Kursk offensive. That was a truly foolish decision. Even firing the Drone Minister was essentially about reclaiming territory rather than just maintaining the front line, but does that make sense? It is an absolutely impossible goal with Ukraine's current military strength. It would be a relief if they could just defend the land they already have.
Ultimately, while Biden was in office, they should have moderately conceded the eastern regions that were forcibly taken during the Soviet era and started anew as a new nation. Instead, because of his own political standing, he is grinding down innocent Ukrainian men in an attempt to reclaim territory, which is the problem.
He isn't even a leader openly supported by the US, like Syngman Rhee in a similar case. Even during Biden's term, Zelenskyy couldn't demonstrate the same level of rapport that Syngman Rhee did.
As for Europe, they are just watching the fire from across the river, smiling and feeling very satisfied with seeing Ukraine and Russia grind each other down.