Sure, it's a great business model.
Confuse and Obsfuscate: they didn't know what they were doing and it must be their fault. More often they won't complain because it would show their "ignorance." They will then buy another version because it is really what they needed MORE MONEY!!! Only works if you dominate the market (BC, M$, ect)
It's no different than the insurance companies with 20 different plans with minimal differences.
