The reason FL is my fav MMA
The reason FL is my fav MMA site is because its the opposite of most MMA sites like Sherdog and UG. Ryan/the site don’t take himself/itself too seriously and the community is mostly devoid of trolls and fanboys (outside of subo).
If you really care about having quality serious discussions, than you should moderate comments, but that doesn’t sound like FL. Perhaps establishing a flexible Code of Conduct banning certain types of actions will suffice.