Parent didn't call Finland socialist, just said "more socialist".
If one considers "Capitalism" and "Socialism" as the two extremes of an economic organization continuum (which is reasonable), Finland is indeed "more socialist" (or better yet, less capitalist) than the US.
If one considers "Capitalism" and "Socialism" as the two extremes of an economic organization continuum (which is reasonable), Finland is indeed "more socialist" (or better yet, less capitalist) than the US.