They specifically advocate for inclusion of races, and a destruction of a class system. Nowhere in this does "color" or "ethnicity" make its way into this.
Please point me to posts on those subreddits calling for a bloody revolution and the killing of the bourgeoisie? There's been this new meme circulating on right-wing circles that if you are not a card-carrying alt-righter then you must be - by necessity - Che Guevara's second coming. It's pretty disingenuous, and quite silly to be honest.
No, there's a meme among normal people that if you violently riot and attack people and property when you don't get your way politically, you're a nuisance to democratic society and have more in common with the Red Guard than soldiers who stormed the beaches in WWII.