Interesting point - but I'd argue that being a specialist shouldn't mean tying yourself to one technology forever.
I've been working in web content management for sixteen years now, and am on my fourth major CMS. I (and the company I work for) have "specialised" in all of them for a while, but we've been flexible enough to jump ship to different technology when we see one system getting overtaken or when our market's needs change.
I'd also make an argument that demonstrating that "ability to adapt and learn new stuff" skill is a really good thing for your CV alongside "really knowledgeable about something". IT changes fast, and good employers should value people who can understand and adapt their skills to those changes.
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Interesting point - but I'd argue that being a specialist shouldn't mean tying yourself to one technology forever.
I've been working in web content management for sixteen years now, and am on my fourth major CMS. I (and the company I work for) have "specialised" in all of them for a while, but we've been flexible enough to jump ship to different technology when we see one system getting overtaken or when our market's needs change.
I'd also make an argument that demonstrating that "ability to adapt and learn new stuff" skill is a really good thing for your CV alongside "really knowledgeable about something". IT changes fast, and good employers should value people who can understand and adapt their skills to those changes.