Weird how the comparison is made between "expertise" and "skillsets", placing marketing and management higher than tangible skills in the imaginary hierarchy of

Weird how the comparison is made between "expertise" and "skillsets", placing marketing and management higher than tangible skills in the imaginary hierarchy of responsibilities. Is that notion inherently common? I'm currently trying to train a product manager type and he seems to be holding onto older conventions and I wasn't sure if soft-skilled people are still being taught to hold developers in contempt.