EULA - End User License Agreement.
I know it's because of their legal dept wanting to keep them out of any and all trouble, but come on. As if...last week I installed iTunes on my iron lung and now my iron lung only breaths me when I play songs I bought from iTunes Store and not my CDs. Or after I installed Quicktime I couldn't get my Air Traffic Control Radar to work, all I could see was dancing hamsters...
Apple's great quote:
APPLE SOFTWARE IS NOT INTENDED FOR USE IN THE OPERATION OF NUCLEAR FACILITIES, AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL SYSTEMS, LIFE SUPPORT MACHINES OR OTHER EQUIPMENT IN WHICH THE FAILURE OF THE APPLE SOFTWARE COULD LEAD TO DEATH, PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE.
Maybe Quicktime caused the Chernobyl meltdown and Apple wants to make sure they're not liable next time.