no, no, no, thats the wrong question. The question should be, why wouldn't I want a wifi connected kettle or fridge.
Why not ask the fridge, or the kettle, as applicable? Just telnet to it and query it for its raison d'etre.
As it'll then go and contemplate its electronic navel for 7.5 million years you'll have to revert to a conventional model to cover that interval.