This obviously took a lot of time to make and was very well done... But why? What do any of the inserted characters have to do with their roles in the film? I almost feel like I'm missing something...
These stars are for the effort and for Gabe Newell at 1:20
Because nerds like combining things that nerds like into one embarrassing mess and then spreading it all over the Internet so other nerds can enjoy it due to the fact that it's familiar to them, and that means more than being funny or interesting or even remotely necessary.