Historia magistra vitae. And over and over again, this is proven (Snowden (gov), Facebook (corporation), Google (corporation), just a simple example). Or to say

Historia magistra vitae. And over and over again, this is proven (Snowden (gov), Facebook (corporation), Google (corporation), just a simple example). Or to say it differently, "where money talks bullshit walks". Once you have a company on stock exchange, you get a huge drive to make stockholders happy. Regardless what your initial goals were, this single fact will make the company behave in worse possible way to earn capital for shareholders (and management bonuses) as much profit as possible.