>>40821663ORAS isn't even that bad as a stopping point for your full collection. It had a great grinding method, great collection filling resource, great shiny and breeding friendly features and plenty of single player activities (rehashed as they may be).
For something to be the worst gen, all they have to do is be worse than XY. And without megas, with lesser costumization, without all the Pokémon and without rematches, this is looking like it's it. This is literally XY again but worse.