Hypothesis: It's hard to ignore someone's politics, even if they have no "direct impact", when the policies they advocate led to people that look like your gran

Hypothesis: It's hard to ignore someone's politics, even if they have no "direct impact", when the policies they advocate led to people that look like your grandparents getting lynched, and led to people that look like your great-great-grandparents being forced to work in horrible conditions against their will for no pay.