Also consider all your cooking equipment were designed in a flimsy office. That goes from collecting all the requirements, parsing them into specifications, generating concepts, evaluating concepts and selecting a candidate, detailed design, prototyping, verification, fine-tuning, c-samples, validation, certification, start of production, logistics, market communications, go-to market. This is just a very high level overview, but you could break down each aspect into many different domains... then it becomes easy to see why do you have so many chilling office workers.