Had to read the youtube comments to understand a little what this is about. So it seems to be a suite of tools (Ziva, Speedtree, SyncSketch, Parsec, Eddy, Deep Comp) that's separate from the Unity Editor and aimed towards (film?) artists. I don't know how accessible or useful these will be to most game devs using Unity (apart from maybe Speedtree).
They aren't really targeting gamedevs here. Both Unity and Unreal have been trying to win over Hollywood for a while now.
As far as I've seen, neither Unity nor Unreal have moved in this direction. Their "sequencer" solutions are IMHO unwieldy kludges that don't take advantage of new higher levels of abstraction for producing computer animation.