I think there is something worth cross examining. It's easier to relate to people when they are simplified. It's easier to be relatable when you are simplified. Since there is a social drive to relate with others being a trope has some reward.

The article discusses that the easy laugh takes priority over richer character development. Seems shallow, but it sells, just like being more easily relatable would sell.

It's an angle I don't pursue personally but I wonder if I should get into football or something just so I could relate with a larger population.