You asked
> how do you explain the European people supporting their governments assisting Ukrainians, when continuing the conflict is causing themselves direct discomfort and expense?
I replied
> we've all been subjected to unprecedented levels of propaganda. It's not a surprise that many feel more concerned about what's happening in Ukraine than in Yemen.
Everything else I wrote is what I think about the concept of "sacrifice" that the elites fill their mouths with knowing it won't really affect them.
Whether my argument is dubious or not to you, it is still an argument and a valid answer to your question.
You might want to explain why my answer doesn't convince you, rather than simply dismissing it as "beside the point" when it isn't.