What CAN’T Linux Do?

“A few weeks ago a colleague of mine sent me a link to a story
about a man who clustered together sixteen Playstation 3s using
Linux to simulate black holes (HERE’S THE LINK for those
interested.) I had forgotten about this until yesterday when I was
thinking ‘What can’t Linux do?’ I know, I know, you’re thinking:
Alright fanboy, bring on your dogma. Not so. This isn’t one of
those pie in the sky, wishful thinking blog entries where I am
going to go on to spout that Linux will, in fact: Cure cancer,
solve global warming, fix the US economic crisis, and release the
world from its dependency on oil…”