It's not the most original idea, but it's executed very well. Good looking design, responsive site. What's no to like? It's not something I'd use, but it's cool that he built something.
But I'll concede that I am an idiot. I'm looking at how original this idea is and what features separate it from other websites instead of looking at how awesome the design is and how cool it is because he got it up and running in 66.5 hours!
I wasn't impressed when there were a few Lisp clones on Reddit made and I'm not impressed that there's yet another clone of MySpace made with a nice design.
But you're right, "it's cool that he built something."
It's not the most original idea, but it's executed very well. Good looking design, responsive site. What's no to like? It's not something I'd use, but it's cool that he built something.