Let me put my chairman Mao hat on, and say this is why the needs to be perpetual disruption. More seriously: the world is changing all the time businesses and

Let me put my chairman Mao hat on, and say this is why the needs to be perpetual disruption. More seriously: the world is changing all the time businesses and business models face challenges all the time. This produces churn where the current crop of winners have little political clout, but start to gain it as they settle in. Of course if they succeed in gaining political clout, they might be able to dig in and prevent change for a long time until something big and rare comes along and undermines the whole system.