I'm pretty sure that ultra meant about people who refuse to play anything past gen 1 and everything else automatically sucks because it's not gen 1.
I highly doubt it matters which generation it is. People always have a preferred cutoff and want to play what they like playing. How much they play is just a matter of how big their field of interest is. A lot of people don't like playing a certain sequel just because it's not the original. This isn't just for video games; people deride TV shows for being shit after season x because season y was the best and it's clearly not season y.
People hate bands' new records because they don't sound exactly like the old records. People hated Metallica for releasing the s/t because it didn't sound like Master of Puppets! Where you draw that line is irrelevant, I mean, whether it's the first two generations or the first three or the first six (given there's 20 or whatever) is irrelevant.
People are always going to hate if it's not what they expected it to be, failing to take into account they're not the artist/author/designer producing the game who have themselves also to please, not just the customer.
Furthermore it's perfectly fine not to like anything past 1st gen if that's really what your tastes are like. I think what uv is trying to imply is that she dislikes the stereotypical hipster attitude of "everything was better back in the day when" which is indeed depressingly common, but then, there are plenty of things that WERE better back in the day. That's just how it is, people run out of creative inspiration and then a series exists for its fans and not for the sake of creating good art. Losing that sincerity in your art makes sure you're not an artist, but an entertainer.
The problem is that her post doesn't imply this distinction between people who have a genuine reason to dislike later installments of a series and people who are just hating because it isn't 1st gen or because it is cool to be a grumpy hipster.
For the record, with pretty much everything, my attachment always lies with the thing that got me into it, and the things surrounding it. I almost never like an entire oeuvre of somebody's work. Often, part of it is crap, and the only thing left to be determined is the ratio of good:crap. My favourites have the highest proportion of good, naturally, but that's really hard to quantify.
One of my pet peeves about artists and musicians are people who are insincere about this and don't realise that their statements of artistic views and impressions are inconsistent with their output. It's fine to stick to a style, but don't say that you're so diverse and then release the same goddamn product over and over again.