But its also true that some industries are rife with bad service, bad products, bad experiences: until someone does things differently and changes the basis for competition. The iMac didn’t put every other computer manufacturer out of business, but it’s influence on computer chassis design – the industrial design of computer hardware – is evident to this day.

Tell that to Microsoft.
Actually, I know what you mean, but it does represent a rather large generalisation, and contradicts what you had just said, which is that it is the overall package that counts most, not each detail: sometimes one killer feature (interoperability) outdoes all the other features.