I have generally found that those who are unable to understand a particular bit of machinery, constantly throw stones at it, in order to cover up their own inabilities to master the technology involved.
Sound familiar, bcgallacher, after reading the thread referenced by our constant L1011 critic?
Simply...can't stand the heat, stay out of the kitchen.
IE: if you have no particular specialized knowledge nor factory training, you will find yourself behind the eight ball, regardless of the particular type.