i have this insane impulse to understand everyone and everything, but then...

like someone posted this
https://www.youtube.com/watch?v=4O2r7AZ37YQ&t=3s&ab_channel=Xav%21ei
what kind of person would dedicate themselves to this? do these people think theyre smart? "teehee, i added some random effects, im soo nihilistic" -- or is it something else? i seriously dont understand people who find this funny, can a sincere person please explain what the fuck this is?