To say that it is simply a matter of good airmanship and the problem shouldn't exist is ignoring reality and the many examples of pilot induced pressurisation incidents.
Disagree. You cannot legislate for those pilots who disregard the principles of good airmanship. The Helios accident was one of the classic examples where gross pilot incompetency caused the deaths of everyone aboard. If the checklists and scans had been followed according to the manufacturer's manual, the accident would not have happened. Grossly incompetent pilots exist in most airlines and trying to make an aircraft fool-proof to cover these sorts of people is impossible.