I work for a school and purchased Cubase 4 for our edit labs. 3 students accidently walked off with dongles and lost them, and we were without 3 editing stations until I just went out and purchased copies of Logic 8 to replace it. Lost profit for Steinberg... oh well. Logic 8 smartly handles copyright protection over the network so no additional users can use the program than we have licenses for. It just displays a notice and quits. Its efficient, effective, and we don't have to spend a fortune everytime a student becomes absent minded (which never happens, really.
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I guess the good question would be why would any end user want one? So there's more market share for the wealthy? Thats all I can think of.