I only move them around the house, never on the road. When I move them, I place them in a Thule Gauntlet. I really take care of these babies as I find it wasteful not to.
So that is my anecdata on the 'stability' and 'care' of Apple.
My experience differs from yours. Both are wrong and true. You could just be unlucky, and so can I. No need to completely write off Dell or Lenovo over that though.