I would define a cult as a very select group of people that support something while everyone else doesn't. Almost like ECW with their violance. Only a specific majority liked what they were doing while others looked for an alternative, like WCW or WWF that had violance, but had actual wrestling among other things to balance it out. TNA may be slightly heavy on it's violance, but it's no where near ECW used to be. TNA can still hope and have grown and spread out and is still slowly growing, almost like when the WWF started expanding back in the 70s and 80s. ECW almost never got anywhere, and that plus their limited fanbase led to their destruction. Therefore TNA cannot be defined as a cult following.