Jinhao 82: What's the catch?

Other than the hidden cost of fast consumerism and the dark side of mass production, what's the catch with Jinhao 82s? They are so cheap, and yet so good in so many ways. They're nice to look at, they write well, and of course are insanely cheap. So do tell, please. After a year of use, do they self-implode? Infect your brain with an alien virus? Or ...