The argument supposes that people have a single set of abilities/tendencies that they apply to everything they do. That is ridiculous: we adapt our behaviour to

The argument supposes that people have a single set of abilities/tendencies that they apply to everything they do. That is ridiculous: we adapt our behaviour to the circumstances. When you're with friends, you behave and communicate differently then when you are with colleagues or relatives. Cooking requires a different kind of attention than fixing your bike does.