Quoted By:
It's because there's nothing to discuss with Let's Go. We know it's almost a 1:1 remake of Kanto, we know that only the original 151 will feature, plus SOME Alolan forms and one new Pokemon (which we know nothing about, not even a silhouette) and we know that core mechanics are changed. What's left to discuss? Just guessing how the mechanics have changed?
Quest is a mobile game that has a dedicated general (consistent with the other mobile games) and we know literally nothing about the 2019 game other than the fact that it'll be a more conventional Pokemon experience.
The Spaceworld demo provides a glimpse into development, new Pokemon to circlejerk about and draw fanart of, and the mystery of how it was obtained. A hell of a lot more to discuss than "dudes kanto lmao!"