I do appreciate your respect for the usefulness of this functionality -- I just throw my laundry in the machine, press ON and then press START, throw in a random amount of soap and 60 minutes later or so I have clean clothes.
Into the dishwasher?
Although for countries where laundry machines are typically in the kitchen, a theoretical hybrid machine would be interesting (if it worked well, and the dish specific stuff could fold away compactly), but in practice multi-function machines like that rarely seem to turn out well.
Ever seen someone use the coffe-maker to cook instant ramen?
Of course this is stupid; you put the dry ramen in a bowl, pour on boiling water, and wait a minute or two. That's what the instructions on the pack actually say. It's not necessary to boil ramen.