But when their self-anointed betters in effect tell them "You are dispensable, but the planet is not" and they react negatively, is that acting against their self-interest?
When they're advised that they can get all kinds of lovely free stuff in exchange for a few minor liberties, and they fail to trust those gaudy promises, is that acting against their self interest?
When the elites lecture them about clinging to their guns or their religion, and they decline submission to the latest version of "hope and change", are they acting against their self-interest?