They're right though, 40-year old men aren't the target demographic. It's Minecraft fans. We think it sucks.

There was also something from an 80s interview with the Thomas the Tank Engine storybook writer who said something alongside of "You're not just writing for the kid, but the parent who has to read it to them."

Situation is similar to movies. The adult is the one driving to the theater and paying for the ticket, if the movie is something they want to watch too, that's more incentive for them to do so.