I think more reasonably the same phenomenon of experienced workers needing to update their skills in order to stay relevant was going on 50 years ago.
Tomorrow I guide some teenage punk through the wasteland of mobile development. Undoubtedly he's gonna throw some new shit at me. Hah!
That said when young people blithely get their smart faces on and start talking about REST I cannot avoid the old fogey suspicion that they don't know a damn thing they're talking about.
It's also understandable that once people find a tool which they like enough to sink some time into learning properly, that they then cling to it a bit.
But I'm inclined to think that anyone who chose Spring for that position either has pretty bad taste, or simply hasn't bothered to look at a second tool.
http://www.computerhistory.org/atchm/the-apl-programming-lan...