Because they serve the role of what used to often times filled by PCs. Turns out not everyone needs a PC and they also don’t want have to do everything on a tin

Because they serve the role of what used to often times filled by PCs. Turns out not everyone needs a PC and they also don’t want have to do everything on a tiny touchscreen. If they didn’t exist I think the alternative for many would be the Air. This shouldn’t be hard to understand.