Either/or. Them like Chris Evans or Alyssa Milano that were born into leftist-libtard families bear not only the genetic proclivity of libtardation, but also the inhouse (parental) indoctrination while growing up. To that is added 12+ years of brainwashing by commie-socialist teachers in public schools, plus a likely additional 2 to 4 years of mindbending by radical professors.