In the past, there were button smartphones like BlackBerry. There were some people who were addicted to it like a crackhead was to the pipe, but I don’t think it was as common as today simply because of the lack of the touch screen.
Using a touch screen is the pleasure - you can tap, drag with your finger, similarly to real life, therefore probably making touch screens one of most addictive user interfaces available with current technology. Buttons, however, not so much - you had to first select a choice with a directional pad and then execute it with pressing the center button. The only exception when it was lots of pleasure was typing - if the keyboard was high quality.
Since it’s unlikely that everyone would just dump touch-screen smartphones for button dumbphones, we should ask Apple to remake a button smartphone. Unfortunately, websites and apps are already designed for touch screen because of the iPhone, so OK, a small touch screen (the one under 3") is acceptable. That small screens are nowhere as addictive as bigger ones.