But there's so much about Windows that the average end user doesn't know - just like there's so much about the Bible that the average American doesn't know. If you want to learn about operating systems, NT is genuinely worth taking a deep look at, for both the successful and unsuccessful things about it, and "I've been using MS Word my whole life" isn't a reason not to look at NT. And even if you just want to work at the operational level, running a Windows environment with AD / Group Policy / etc. is so different from maintaining your personal Windows laptop