This guys need to do an actual game, just to show what the engine is capable of. Just like when EPIC did Unreal Tournament or Gears.
He should, but we know how it would go with movie licenses. He'd likely have to ask permission from Universal Pictures if they are allowed to user their IP for a game. That and they'd need a 3rd party publisher as well as some backing and a bigger team.
Still, this is just a demo and it managed to scare me pretty good. The car's interior was rather shoddy, but the rain, sound and dinosaur skin looked the part.