I'm bumping this thread since it's taken a lot of googling for me to find out that there are a lot of very unhappy Cetma customers. I wish I'd found this thread and known how long this had been going on for before I ordered a bike from him. (He's said it would ship repeatedly and it still hasn't.)
There's certainly some leeway for creative handmade bike makers, but it's gotten so bad that someone even put up this web site:
Cetma Rack Reviews