> They're designed, instead, to be conspicuous consumption
This is the key point in the thread. The legitimate criticism of McMansions isn't about their architecture per se, it's about the owners. I'd go so far as to say that the bad architecture is deliberate -- its senseless variation and useless ornaments call attention to the house. This is crass ostentation and nothing more. It says, "look at me, I can afford a big ugly house (and you can't)."
This is the key point in the thread. The legitimate criticism of McMansions isn't about their architecture per se, it's about the owners. I'd go so far as to say that the bad architecture is deliberate -- its senseless variation and useless ornaments call attention to the house. This is crass ostentation and nothing more. It says, "look at me, I can afford a big ugly house (and you can't)."