Part of Pixar's brilliance lies in its diversity of subject selection. The studio has dabbled in everything from historical fiction (Brave) to explorations of the afterlife (Soul and Coco), but one of the wells that the mega studio keeps coming back to is science fiction. However, more than 15 years after its first foray into sci-fi, Pixar has never been able to recapture the magic of its original sci-fi adventure.
https://screenrant.com/wall-e-pixar-sci-fi-movie-15-years-not-beat/