Earlier quoted context omitted.
No hyperbole. The design is simply dangerous. One glass of water on the desk (not in the machine!). Capillary action sucked water around the seal on the base. It was turned over to remove the battery and the sucked up water rained on the logic board resulting in all sorts of crackling, smoke etc and one dead MacBook. Being a qualified and experienced EE, I'm qualified to say that it's electronics 101 to be able to is…
Your knowledge may be obscuring the bigger picture here. I suspect the general public wouldn't behave the way you would - the only spill I've ever seen resulted in the user turning the machine over and furiously shaking it. That this is the only spill I've seen in 16 odd years of being around laptops and using laptops suggests to me that for a company like Apple optimising for spills wouldn't be a priority.
After breaking my second laptop with fluids (first was ruined with coffee; second with it standing in water, which was rain accumulated in my not properly closed "watertight" bag) I started buying Thinkpads. They have specially designed "Fluid drains". Because all laptop manufacturors know that spills are one of the highest death-causes for laptops. http://youtu.be/d7cvi00OZDM