>>54856587>Think about the thought process that goes into a wishDon't need to. The AI already tells us that it was the professor's greatest wish to create a world with Pokemon they believed to be from the past/future.
Time travel also can't explain where the AI went, whereas imagination covers that base easily since they even note how they're going to the world they dreamed of-- a place where time doesn't exist. Perfect segway into Atlantis.