Signs you (or someone else) are no longer technically relevant

I have come across a lot of people in my career that are well past the point where they can continue to evolve with technology. These people tend to hold an organisation back, and need to be removed from areas of influence if not encouraged to move on completely. I hope I'm not one yet.

Here are what I believe some of the signs of this are:

• They consider Java a new and inovative technology
• They don't bother following industry news and developments
• They are resistant to the introduction of new technologies
• They worry about whether the open source software you propose will scale while they continue writing excel macros in vb script
  
• They think Linux is radical
• They are concerned about certifications from old school vendors
• They have been in the same job for more than 5 years

what do you think ? Am I being a bit harsh ?