Quite comical. Mastertech sounds like he/she's working for the marketing department at Microsoft. Being a programmer, I can't believe that someone states that an application (or an OS for that matter) can only go one way! No matter how hard we try someone will ALWAYS find a path that we didn't realize was possible to take through our code. So does that mean that the originally envisioned path is the best path? NO.

As far as someone being concerned that others will slow/break their machines, I find myself chuckling. I say let them do it. The reasoning is that they will be inclined to learn more about their machine, OS, and any other software installed on it. Will some of them come to the same conclusions? Yes. Others may walk away and find that they weren't cut out for it. Either way it encourages thought.