If one think that the bigger groups are a model, it is mainly because of there dependence on the investments by the investors. For an investor, timing is always the primary factor. The big groups not only have a control on the production but also have power to handle the ups and downs of the stock market share. It makes it possible and easy for the company to protect the interest of the share holders as well as the workers of the company or group. This was the way old economy works.
The way is coming back as major changes are taking place in the market. In the present time of war between groups where every brand is trying to make its share in the market, the old economy way is back.