Advancement in these fields depends on understanding, contextualizing, then subverting, the status quo. The conservative mind is fundamentally incapable of and opposed to doing that last one. It’s right there in the name
I know you're not allowed to say this during the current debate, but the reason the left dominates academics, art, comedy, and music is that the right has stupid, discredited ideas, they're not funny, and dull resentment does not make for good art. No grand conspiracy required.