I've seen a surprising number of resumes that are listing it come across my desk recently. I don't think it will occupy the same place in the tool stack that say, Linux does for IT, but adoption is definitely on the uptick. I suspect that this has a lot to do with rendering tech moving more towards the realtime side of things for many applications these days. Blender has a very good realtime viewport, so if you are delivering content into that sort of an environment, it's a natural fit for some things.