For the same reasons those countries implement things like universal health care. The crux of the issue with the US however is that being powerful here can mean

For the same reasons those countries implement things like universal health care. The crux of the issue with the US however is that being powerful here can mean greater power elsewhere. For example, if I have 100% market share in Sweden, it doesn't necessarily give me the capital and muscle to become the biggest internet provider in all of Europe. Whereas if you become the superpower in the US, expansion (read -> growth) is much easier to obtain.