I know why autofill exists

So Riot can start selling "Hextec Autofill Disabler Devices" for 200IP/50RP a pop, and come in packs of 5 for 900IP/235RP

: ^)

You also have a 1/10 chance to get one if you get an S+ on a champion you haven't gotten an S+ on in the past 9 months.