Originally Posted by EmptySet
Flat spots do happen. Just because you don't notice it doesn't mean it can't happen. There's enough evidence out there.
If there are ceiling beams in your garage, you can just "hang" the front of the bike a few inches off the ground.
I've probably been unclear. Of course, flat spots can happen, but they shouldn't be an issue; if the tire isn't old, the next time it's ridden to operating temps the sidewalls will flex and the flat spot will be resolved. If the tire is old enough that it doesn't resolve itself, that tire should have already been replaced.
The reason I've never seen it is probably that I ride far enough that I change tires often and don't wind up with old tires . . . .