Well, that last makes sense to me. After all, humans would logically have different evolutionary pressures than chimps--aren't we also longer-lived, with more time between generations? All things considered, I'd be surprised if we didn't evolve slower.
"Now everyone was giving her that kind of look UFOlogists get when they suddenly say, 'Hey, if you shade your eyes you can see it is just a flock of geese after all.'"
"You can't erase icing."
"I can't believe it doesn't work! I found it on the internet, man!"