@latsss let's check your assumptions as well:
1 - the only way to stop a genocide is to win a war, there is no choice and there are no legal or political means to do otherwise
2 - Ukraine can win a war against the biggest nuclear power of the world
3 - It doesn't matter if US changes side and decide to use Ukraine as trade material to put the hands on Venezuela oil
4 - It doesn't matter if EU countries don't put their soldiers in this effort while saying that "Ukraine is protetcing EU".