Personally, I find these videos to be pointless. So what if you can render out some nice looking stuff?
How quick/easy can you get YOUR game up and running? Unity's always been known as a decent game engine, but has a very poor ecosystem. And using the asset store as a crutch doesn't mean crap.
They're also known for starting up tech, and then having to scrap it because it sucks. Their multiplayer networking is a freaking joke. As is their terrain system.
Fact is...unity isn't a gaming company, and it shows in their decisions and expertise.