#5 No backups aren't always forgotten until they are needed. Maybe with inexperienced and untrained Windows users and small companies that rely solely on Windows that is true. However in the world of IBM Mainframes and similar mid range and large scale systems, we learned a long time ago not to forget the backups. Then we passed that information on to the newbies that came into our organizations.

#1 No Duh, That one isn't hard to learn which I guess is why you listed it first.

#8 No Duh here either, Pundit.