Everybody knows that Siri still sucks—voice recognition is one of those technologies that has to work flawlessly for it not to suck. Like in Star Trek or 2001. Siri doesn't, which is why The Simpsons slammed it this Sunday in an episode full of Apple references. Watch.
This reminds me of Garry Trudeau's Doonesbury famous joke about Apple Newton's handwriting recognition:
Sadly, nobody is giving us the 100-perfect Star Trek natural voice recognition technology yet.