Yes, everyone can and I have hinted that. I have based my article on the economy that I know best and the instances of immigration that I am acquainted with. Everyone with enough independence (be it time, money or any other abundant resource) should also focus on helping others.
It is our mess, and we have to fix it. This reminds me of @tribesteemup and their goals, you could read their ideas, they are promoting the same values as I do.