[Tritrin]

     >Some of the smartest people in the world work hard to make the site more addictive.

This is a truth most people seem naively oblivious to, they seem to have this idea in their mind that they are immune to persuasion. It is simply not the case, if you are human you are suceptible to unconscious and conscious persuasion.

A famous result concerning this is the 1984 book "Influence: The Psychology of Persuasion" by Robart Cialdini.

https://www.goodreads.com/book/show/28815.Influence