"(CNN)Let's be absolutely clear about something here: Whatever else may have been said about it or our country's reactions to it, the racist disrespect of Nathan Phillips, a Native American elder, by Nick Sandmann and his MAGA-hat clad classmates of Covington Catholic High School at the Lincoln Memorial is nothing new."
America mocks and dehumanizes natives at every turn (opinion) - CNN
Thanks for including the word "opinion" right in the title. That's one down.
Number two would be that the adjective "racist" modifies the noun "disrespect", in other words describes the action, not the person. It's a bit of a leap to claim to know the root of the kid's
motivation, that's impossible without reading his mind. Safer to say he was just being a dick, as 16-year-olds like to do.