I enjoyed Red Rising itself. I agree that it kinda devolved into a Hunger Games/YA feeling saga, and I quit reading when the following happened:

I get that this is probably going in the direction of "I have become that which I set out to destroy", but when I read what happened in the spoiler tag above, it broke me entirely out of the story. So much so that I has to stop reading. I may go back to it someday, but right now I've got other things I want to read.