Well, I for one am not ruling out Blender's use. He did say he used it. But he also said in his e-mail to DAZ (and I do believe DAZ_Rand) **"I did indeed use DAZ Studio 3, with M4 and V4, as the main tool for animation and rendering. I've been using Daz Studio for years as reference for my drawings so it was, by far, the best option for me as an amateur animator..."
**

I just watched it again... the hair could've been animated using morphs. Its movement is quite limited and I think doable in DS. There is a video on YouTube of someone even using DForm to animate hair in DS and it's similar. The guy's hair doesn't move at all and looks like one of Neftis' hairs. Most of the liquid shots and broken glass shots looked composited in. They could be real or Blender (not DS). I think you said here or at DAZ (I can't remember this second) that the animation reminded you of aniMate blocks. I think so, too. That would put the animation in DS. Whatever, he did do a lot of postwork, as he said in one of the articles, on what was rendered so I vote for lots of compositing and use of both programs. :)