Three Body Problems seems to me a very odd choice to bring to the screen. As a novel very much in the tradition of Asimov it cares more about ideas and concept then about memorable characters or show value. Large parts of the books consists of people having thoughts which I can't imagine being terribly interesting to watch. And on the flip side there are many scenes that take up a paragraph or two in the books but that would be very expensive to produce in a visual medium (like the human computer).

But who knows, maybe the producers where smart and creative and managed to create something cool for the screen from the source material