It is not that simple. Policy can increase or decrease competition. Breaking up Ma Bell as an example.
Overall governments increase standards which can lead to few players but it can also help an industry grow quicker and allow for more complex/value products/services which creates an industry around it helping support it (shopify)
Overall governments increase standards which can lead to few players but it can also help an industry grow quicker and allow for more complex/value products/services which creates an industry around it helping support it (shopify)