Upside: it is easier to simulate zombies than it is to simulate intelligent humans and make them look convincing.
Downside:
- if zombies are so dumb, why didn't humans deal with them already? Just build some fucking walls and sleep in isolated rooms in case someone has a heart attack during their sleep! So not as convincing.
- zombies vioalte the law of conservation of energy. What do they eat when humans run out, since they are so dumb? Previously mentioned at: news.ycombinator.com/item?id=20240895
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