Is the (dis)United States a meritocracy? Reasonable people can disagree, but put Fiona Hill down as a definitive “yes”.
“Years later, I can say with confidence that this country has offered for me opportunities I never would have had in England. I grew up poor with a very distinctive working-class accent. In England in the 1980s and 1990s, this would have impeded my professional advancement. This background has never set me back in America.”