Oh, I have. I was just posting the gif of the rest of that video because the entire thing makes me die laughing every time. The tone of that old man's voice as he questions all of reality is truly something.
I spent some cool years on the internet being uncool, thinking I was too cool for internet shit.
(I mean, I was also deeply depressed, heavily traumatized, and unable to function beyond work and escapism for basically the entire period Vine existed.)