Bad: Unless that was all part of Celestia's clever plan and she came up with the prophesy herself.
But Pinkie SenseTM only works for vague and immediate events. A lot of fortune telling isn't immediate. (Actually, I don't think I've seen fortune telling describe something that happens just seconds later.)
"Crystal Ball" would be a good pony name. Actually, come to think of it, it would also be a pretty fair human name. Like if Ashleigh Ball had a sister named Crystal.
It has transcended the meaning of life, the universe, and everything.
Morning, humans! Who's ready for some din-dins? Remember: no fighting around the food trough!
Favorite foods: carrots, oats, sausage and gravy...
given i spent the last few hour evacuating my last "din-din's" not really.
Build a fool proof system, and the world will create a better fool.
My random thoughts