I like it.

McMansions are when someone tries to make a relatively cheap house look like a mansion. They take themselves seriously. This is obviously a fun addition, not something serious.

I love it. It’s funny, satiric, absurd. The man or family was very obviously aware this was absurd and did it anyways. He did it also for his kids and for a fun experience.

It’s the opposite of the kind of criticism you would level at McMansions, which is that they’re cheap displays of wealth that are excessive.

It reminds me of the shark in Oxford https://www.headington.org.uk/shark/

This is the opposite of a soulless display of wealth. It was built without regard to fashion, taste, or prestige, instead for love of family and personal creative desire. The fact that one of the kids it was built for still lives and works there says a lot to me. This is why I’m glad not everywhere is an HOA