When the topic of the discussion decides who wants to participate. Like a debate: From non-serious as "cereal is soup" to "Do degrees/college dictate success?"

When the topic of the discussion decides who wants to participate. Like a debate: From non-serious as "cereal is soup" to "Do degrees/college dictate success?" and "Taiwan is part of China" (these actually happened)... The moderators can control the room but can also be reported by participants if he/she violates the guidelines- not sure how abuse is verified though. There is mutual accountability.