But a bigger problem is that Oracle is hell-bent on finding ways to sue profits out of ANY Java user, per (ongoing) API fiasco. Who wants to risk being a target of lawsuit greed? True, Microsoft could start doing the same with Dot-Net languages and API's, but so far they are (mostly) behaved. I'll side with the sleeping sharks over the circling sharks.
Greenfield projects are not abundant within any organization, thus developers invest their lives extending the infrastucture. Consequently, older technologies tend to stay, particularly when they are proven and actually perform well.
And adding to that, just because some tech is new it doesn't mean it's any good. History is packed with the dead husks of many latest and greatest technologies that died off.
