Yes.
Miyamoto is just a glorified ideas guy, not too different from Kojima or Inafune, he was pretty hit or miss back in the day. It was his idea to make the Metroid Prime games first person, and those were some of the best games from the GC and Wii era, it was also his idea to turn Dinosaur Planet (a not vey good Zelda clone) into Star Fox game, that idea in the end only ended up damaging StarFox's brand.
That was in his better days, toady i'm fully convinced he's outright sabotaging games out of spite, it was his idea to make Star Fox Zero to use mandatory motion controls, it was his idea to remove every single element that made Paper Mario an unique RPG series, and who knows what other games have been affected negatively in some way thanks to Miyamoto.
Dude,
THIS is Pokemon's audience.
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Not only i do believe they don't need to get their shit together, they actually can do a hell of a lot worse and the games will still sell millions, Gen IX could easily be Cyberpunk 2077 or No Man's Sky levels of buggy, unplayable, unfinished, hell it could even brick consoles and still sell on brand recognition alone.
Pokemon is not getting better, not when a lot of its audience buy the games to not play them.