This is more a reflection of the whole Java ecosystem. I am currently maintaining an application that runs - and will continue to run until it's EOL'ed - in Java 1.5. Not that 1.6 is that much better.

Also, there are lots and lots of people who learn just enough Java so they can get jobs in programming. Body shops hire them because they are cheap and because none of their clients, who demand their products to be written with enterprisey brands they read about in enterprisey magazines, will ever look into the code they write. Unfortunately, most of them also learn HTML and build websites.

And that creates the problem you see.