>>58922233The golden age started September 16th, 2004, when Pokemon Emerald first released in Japan. Said golden age ended on October 11th, 2013. There was a small blip with Diamond and Pearl, but even they were pretty good, and they were fixed by Platinum, one of the greatest games in the series.
Nowadays we're in Pokemon's dark ages, and you have XY to thank for that. Legends Arceus was a fluke. A good game in a sea of shit, which was swiftly corrected with SV being mediocre, yet better than SwSh, and Legends Z-A undoing everything that made Arceus good. And it takes place in Kalos. That's not a coincidence.