How Come TNA Still Can Not Compete With The WWE In Ratings Even Though TNA Has A Lot Of Star Power?

Even though TNA has household names who used to wrestle in the WWE like Ric Flair, Mr. Anderson, Jeff Hardy, Hulk Hogan, Kurt Angle, Mickie James, Rob Van Dam, etc why is that TNA's ratings are still pathetic. Is it because they are in a very unpopular network like Spike Tv which very few people watch. Obviously Spike Tv is not a household name like the USA Network or even the Sci-Fi Channel.