> Mikhail Kalashnikov did not regard the 74 as an
> improvement.
Does that mean that it really wasn't an improvement? First you argue that popularity defines success, but then you switch gears and appeal to the inventor's opinion.
Seems like the True Scotsman fallacy. If someone had upgraded the HyperCard, but the original creator(s) felt it wasn't an improvement, would you argue that it wasn't a "true HyperCard."