>>39230908Because around the same time your Rattata gets up into the low twenties and evolves you're also reaching a point in the game where you're running into a wide variety of more versatile and interesting mons, and since your team only has 4-5 slots because of HM slave(s) Raticate is an easy cut unless you're a weirdo like me who likes Rattata for its own sake instead of just how hard it shreds the early game with STAB Quick Attack and Hyper Fang.
