Actually yeah, the term Spanish as a ethnicity is used more in the US than in Chile. I seldom heard people in Santiago calling themselves 'Spanish', and yes, just like in Argentina 'Spanish' is used as a term for nationality.
Man, I miss Chile. Cultural confusion does not occur in homogeneous countries.
Re: Maker of #4, Spanish Culture & Mixage 101 (tl;dr Ahead)
Man, I miss Chile. Cultural confusion does not occur in homogeneous countries.