Maybe you should look up the word "blatant" in the dictionary.
Dr Suess (Theodor Seuss Geisel) was quoted as saying that his books did not include humans specifically because he didn't want them to be attributable to any specific race.
His book "The Sneetches" was specifically anti-racism.
What you've linked to are political cartoons that he was commissioned to draw, and are basically caricatures.
