FB had two levels of opt-out - first one for the users not consenting to provide their data to the app (a “cancel” button on the app permissions dialogue) and the second one a global Facebook Platform opt-out when you wanted to prevent your friends from passing on same data.

Equifax had none.

> The best and the brightest have been heading to Silicon Valley because they want to build the future. ... “Tech” implies an intellectual practice in which engineers build neat things to improve the world. The major tech companies are businesses. That’s all they are. They innovate how to make money.

This extends far beyond Facebook or the recent scandal, and gets to the heart of a deep rift over the last few decades. Many people have had a deep skepticism over technology and its motivations, and the broad-scale beliefs about "making the world a better place" are really being called into question now.