Two generations ago the world of business used to look something like this: square, mechanical, departmentalised, solid, hard, predictable, ordered, straight lines and clearly man-made. In this world, the individual is king. We are separate from each other. What I do is my business and what you do is your business. This world is weak, fragmented and lacks resilience, especially in times of crisis.
In this world it made sense that businesses models were similar.