There are two ways to think about your work in IT, one is as a person who really understands how to use a particular technology, and the other is as someone who can figure out how to use technology in general to achieve some particular end. Anybody who picks the first path might have a very well paid career for the few years that that technology is relevant, but will eventually crash out. You need to always be looking at the next thing and keeping your skills and knowledge up to date. Nobody ever guaranteed that Microsoft Outlook admins would have a career for life.
I am talking about aggregate distribution not individual motivation to do better. Of course some can do better, learn new things, update LinkedIn profile regularly, attend local networking events, take paid membership to enhance visibility in job search and so on.
The point is more and more people who survived with average skills or one time learning in past are not able to do so now. And it is not a complain about anything or anyone but observation that few people are seeing marked improvement in their lives with changing technology and many more are seeing degradation due to same changes.