Am in Europe (NL), people do care. I have Ukranian refugees living in my town, I helped them with computers and bicycles and what I could to help some kids be able to do their school works.
Europe has given more than the US to Ukraine. https://www.ifw-kiel.de/topics/war-against-ukraine/ukraine-s...
US number would've been smaller if Biden did not push a large package before leaving. I think EU should do more.
What is so bad about Russia to the US? Well, you can ask every American administration of the past 30 years, they all seemed to agree before. For some Russian doctrine introduction: https://en.wikipedia.org/wiki/Foundations_of_Geopolitics