And it doesn't really feel like scrolling either, since apart from the tiny depth bar on the left, no content scrolls by.
The punchlines are there mostly to make the empty scroll a bit more entertaining while you go down. But you're right that nothing really scrolls by in the traditional sense.
The idea is more about measuring how far your thumb travels than about browsing actual content.
I have so many memories of cydia and there was this itools, some Chinese software that let me do more than iTunes.
Those were the days. I was rocking an html lockdscreen which was pretty cool.
When I got hands on original iPhone back in 2008, I remember my PC having less ram, less storage as that was a handmedown. It was freaking cool to have more compute in hand than what my xp machine did.