The fact there is war in Ukraine today is due to the failure of the current leadership in Ukraine. The leadership made a bad choice and now he has to live with the consequences. That is what happens when the people elect a comedian made popular for his jokes. Governing a country is not a joke. Therefore, other entities, regardless of where they may be, need not pay the price for the failures of one country's leadership.
If Zelenskyy had seriously believed that the West, specifically the US, would have used its mighty powers, including going to war against a nuclear power, to protect and defend Ukraine, either he is totally naive or is totally incapable of distinguishing trees from the forest!