I am not sure they "lost a little else". When looking at what the US lost, it's pretty small in comparison
Regarding NATO, this is a European effort of undermining the alliance no more than it is the US.
Europe is rightfully saying that Ukraine is our, the entire western world, war.
However, when the US bombs the very factories that manufacture these drones used in Ukraine, and the nation that quite frequently kidnaps european citizens as political chips, the europeans say "this is not our war".
> [...]
> when the US bombs the very factories that manufacture these drones used in Ukraine, and the nation that quite frequently kidnaps european citizens as political chips
That's a US decision. The United States never invoked Article 4 over Iran, and neither did Europe. NATO has nothing to do with it.