And that's exactly the point of the article: we as tech people still think we're doing good things to change the world. But as a whole, the industry has mostly produced tools that have eroded privacy, that have isolated people from one another, that have created the gig economy, and that's about to disrupt a whole bunch of jobs.
Of course, some good things came out of it, airbnb has lowered the bar for traveling, transfer wise has made currency exchange fair, coursera brought quality college classes to a large audience, etc.
However, it looks like its giant companies can't manage to keep themselves from becoming evil. The business model of giving free service until people are hooked, and then monetizing the service by selling data has been a big part of the problem. The "if it's free, you're the product" meme was the first sign of a broad acceptance that tech wasn't there for the people's good. And now after theranos, Uber, the election's Facebook problem, it's only normal that the general public distrusts big tech companies.