The most used piece of kit in my kitchen is my saucepan. I use it every morning to cook my porridge in. The least used piece of equipment? I'd say a food mixer. I've never used it I don't really know what they're for.
As a real person he wouldn't last a minute would he? But drama is about imperfection. And we've moved away from the aspirational hero. We got tired of it it was dull. If I was House's friend I would hate it. How he so resolutely refuses to be happy or take the kind-hearted road. But we don't always like morally good people do we?