$15 is cheaper than a movie ticket and the creator probably got more enjoyment out of it. Also, sometimes getting a few giggles out of people is return enough out of an investment.

We pay $15 for frivolous things all the time

Because it’s cheap and fun?

Social commentary.

It's the proof that people have too much money and should instead give it to Sam Altman that will make a more efficient use of it for our collective wellbeing®.

You dont sound like a geek god.

I believe the kids say "it's for the lulz"

Hey, it’s approximately 13 upvotes a dollar. /s