Ok, What you guys have to remember is that this is the Turner prize. The Turner prize is not about the art that wins the prize, it is about getting contemporary art the publicity that it needs to be noticed.
You see, nothing that wins the prize is ever a tangible art object (in the traditional sense). Because it's purpose is to draw attention to the differance between art and objects. It's the idea that wins the prize.
Mind you, this one is a little bit much, I suppose. Maybe you're right about the coloured lights....