“We have a new generation of very rich people who want to do more with their money than buy a lot of expensive toys. They want to live meaningful lives.”
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We need to recognise that what really matters isn't buying more and more consumer goods, but family, friends, and knowing that we are doing something worthwhile with our lives. Helping to reduce the appalling consequences of world poverty should be part of that reassessment.
Every profession will have its rogues, of course, no matter what oaths are sworn, but many health care professionals have a real commitment to serving the best interests of their clients.
Knowledge is generally considered a good thing so, presumably, knowing more about how the U.S. thinks and operates around the world is also good.
In the sense that you're not at the centre of power, like a president or prime minister of a major power, everyone is marginalised my position doesn't isn't unique in that respect. I think there are different sorts of relevance in different contexts.