"Second: Although our Ruby support has historically been well received, based on existing low usage trends we are unable to justify the continued allocation of resources to support the feature."
I would say, not a whole lot according to their trend analysis.
I don't agree with some of the things Oracle has done as of late, but that seems quite reasonable to me. If usage levels are quite low, then it is a waste of time to keep devoting resources to it.
Anecdotally, I don't know of a single RoR developer who uses Netbeans. Vim, Textmate and Emacs seem to be the editors of choice.
I would say, not a whole lot according to their trend analysis.