Poll: Why do only 10% of players finish video games?

I penned a story for CNN last month on why most people didn’t finish video games. The basic rule of thumb, according to developers, is that “90% of players who start your game will never see the end of it unless they watch it on YouTube.” The numbers aren’t as bleak when isolated to die-hard gamers, but combining all players, only 10% finish their games. So I ask you: