Earlier quoted context omitted.
Google never talked much about it externally, but Google Research (the predecessor to Brain) had a single project which almost entirely funded the entire division- a growth-oriented machine learnign system called Sibyl. What was sibyl used for? Growing youtube and google play and other products by making the more addictive. Sibyl wasn't a very good system (I've never seen a product that had more technical debt) but i…
Seems to be quite evil though.
You're an oil company - you want people to drive as much as possible.
You're an airline company - you want people to fly all over the world as much as possible.
You're a fashion company - you want people to buy new clothes constantly.
You're a beverage company - you want people drinking your drink all the time instead of water.
You're an Internet advertising company - you want people's eyeballs on your products as much as possible (to blast them with ads).
It's just business.