[Pyramus]

My interpretation is that it is some sort of cognitive bias, which is very common: Because A is better than B, we start to think of B as not good, while in reality B is still good and A is just better. In particular A may only be marginally better, or only be better on paper, according to an irrelevant metric.

I see this come up a lot in hardware discussions (Megapixels come to mind) and manufacturers love to jump on this effect.