Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
If they make the game 3D that’s a lot of code and they won’t be able to add special features, events, or other stuff relating to the storyline or post end game because they invested so much time coding the game in 3D
That why in gen 3, Gen 4, and even Gen 5 there’s so many things to do in the game but nowadays I feel like Pokémon is ez mode and it’s for babies to play