If it was new yes I would agree with you, when you look at it realistically, when US announces that it is sending weapons or vehiclea to Ukraine it's accounting for them as a Brand New. But they are sending Ukraine Used weapons, having said that.
Would it shock you to know that the US could spend money on Ukraine, give a more money to the Pentagon and fund healthcare. But it won't happen...
Russia is the first /second main adversary to US behind China. And currently the US is spending 2-3% of GDP to destroy a that counties military capabilities without putting boots on the ground.
Zelensky even has a joke about it. Two old guys in Odessa are talking. One says to the other so how's the war, who is winning NATO or Russia, the other says, well 100,000 kia for the Russians, one says, how about NATO, the other says, NATO hasn't arrived yet.