So they sell the stock of the company that is wringing out excess profits just as they are putting money into the “disruptor” that is going to capture all the consumers leaving company #1.

Now ensure that you push for a decade of overleveraged growth and regulatory capture (ensuring you don’t get diluted the same as the founders) and now you have shares of an entrenched quasi-monopoly - your task again now is to demand margin increases and stock buybacks in order to exit your position and buy your name on the local college library.

Wash rinse repeat all while taking money/risk off the table personally each round so when it collapses finally and the companies are finally ground into dust, you and your family have long exited and are onto the next thing.