What you mostly see, I think, are people who have become so jaded by the fact that Gen 1 is still so loved that they pretty much just love everything that isn't Gen 1 and hate everything that is Gen 1 --- Evacuate? In our moment of triumph? I think you overestimate their chances.
Not really... the whole point of the term "genwunner" is someone who instantly denounces all new Pokemon and games as lame or ugly or or uncreative or whatever. Having that opinion about a generation in the middle would be kind of weird. --- "The difference between fiction and reality is that fiction has to make sense." -Tom Clancy