The problem with the far left/SJWs is that they think race and culture are the same thing. To them, a person of Hispanic descent cannot understand the western canon on a genetic level, which is why teaching them the western cannon is racist. At the same time they believe that white people are genetically incapable of understanding Mayan cultural works, and any attempt to do so would only produce the result of racist thoughts thus whites are only permitted to praise the works of other cultures without making any attempt at critical thinking.
The pattern is entirely consistent, whenever you criticize a culture, it is treated as the criticism of a genetic race.