The world is an international community, we sink or swim together. A tragedy in a faraway country is no different than one in my backyard.
A lot of people in Finland may lose their jobs soon, because ~10% of foreign trade used to be with Russia. There is a feeling that the world has changed permanently, but nobody knows what will emerge. Ukraine is resisting the invasion, and ordinary people are sending money directly to its military. Even many activists on the left think that donating to traditional charities is insufficient. Meanwhile Russia seems to be only a shadow of its former self, which has awakened old fears of its collapse. And of refugee masses that could overwhelm Finland.
And here in the US, you can easily ignore all that, because you don't see the consequences in your daily life.
I don't get why this is such a hard concept for people to understand.
That was true until Putin decided to saber rattle his nukes. If things go boom, I'll see the flash, and be roasted somewhere between 10 and 50 seconds later, depending on which industrial site they take out first.
The situation seems very different in Europe. The war is pretty much the only thing people are talking about on the channels I use to stay in touch with people in Finland. If I want to avoid thinking about the war, it's not enough to avoid the news. I must also avoid friends and family.