For every person who has an issue, another person swears by that tank. I think it really comes down to how the person takes a draw, the type of juice they're using, etc etc. I just try and help people find whatever suits their current requirements and budget. If thats a clearo, then it's a clearo. As long as they quit the stinkies, that's all that matters to me.
Or quality control. When I tried to talk to someone about crappy carts, I was treated like a ..... trying to get a freebie. That's what started me on this quest for the perfect setup.