It's always possible, but I still don't find it likely. DD has had a history of design wins with major GPU makers for their premium watercooled model cards, and I'd easily rate them ahead of Swiftech in the overall market. I wasn't around for their earliest stuff, but people still seem to love the old DD maze block design along with their other stuff.... something I don't see nearly as much with Swiftech and its Apogee blocks (which I own, and have seen a dizzying number of iterations of).
The PC market has been shrinking for some time though, and will only continue to shrink as time goes on. Unless the business was hugely profitable it would be reasonable to get out before DD's market became unprofitable, as there are plenty of competitors that have sprung up over the last six years. I think it is likely this event was just the spurring factor that made now the best time to do so.
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