Because cats are generally so adorably cute! They get away with anything. Why do we have toes? (My girlfriend thinks they're completely ridiculous. She hates toes). :P
Your sisters Barbie doll collection rises through the floorboards and attempts to turn you into Ken. I press the metallic button with black paint peeling off it.
I out-ninja your skills by throwing my boot at your face. You drop the cheese in agony and attempt to correct your bleeding nose. I then pick up the cheese and high-alchemy it to the void of dematerialized materials. I get 2gp for alching the cheese!
If you really feel people are always taking your chopping spots, then why not wait until the pvp update and use those worlds to chop. You could then scare away all your competitors. :