Preparing food is one of life's great joys, but a lot of times, parents ask their kids if they want to cook with them and then tell them to go peel a bag of potatoes. That's not cooking - that's working!
No architect troubled to design houses that suited people who were to live in them, because that would have meant building a whole range of different houses. It was far cheaper and, above all, timesaving to make them identical.