>>420601841. They specifically stated they commissioned their 3D models to be future proof (meaning they can be reused). We have proven that they've reused both models and animations.
2. The stats and move pools of existing Pokemon are already defined, and change very little. Given that they reuse assets, they likely also reuse code. At worst, they have to re-implement existing data tables in a new format.
3. The cartridge space used to house the ever-bloating game code is ever-increasing, whether through the optimization which comes from experience with a console, or by literally having more space when the series moves to a new console.
4. Decreasing the number of available Pokemon makes the game less balanced by further centralizing the metagame.
My question to you is as follows: how many times did you have to be hit on the head to come to your conclusion?