I have to disagree with you honor however I like your input.
Your main argument here is you joined the Server to play TTT, not some "stupid" and random games. There are 5 normal rounds of TTT while the last round, the 6th, is the "Special Round". And while the Traitor versus detective round seems to be the only special round that disrupts the game of TTT due to the fact that the round becomes a shoot the other team objective, all other special rounds do not disrupt the game-play of TTT. I'm talking about the fact that the players must still obey the concept of TTT and play TTT on those special rounds. And while I respect your opinion when you stated "Simply put, these "Special" rounds are probably ousting more players than anything" I must disagree with you and say you are wrong. I personally have not seen any sort of drop in the playerbase and as I even type this the server is full.
While I disagree that we should get rid of the special rounds, I do however think it needs a lot more work and updating on it. Now, I am simply throwing out various ideas but I think it would improve the situation of the special rounds. For one, I think either on the end of the 5th round or the very very beginning of the 6th round, there should be a noticeable announcement somewhere that tells the server the special round is about to begin. With this; it would give a brief detail of what special rounds are and the fact that the game of TTT is still valid and must be played. With this, all new and even old players will now know that the special round is starting and hell, even throw like a 5 second countdown or something fancy.
Another update to these special rounds is just the over-all "special rounds". I think personally that the special round that turns people into random objects needs to be reviewed as some models are just really crazy and unnecessary; for example, a giant statue of a horse that's almost 20 feet tall. Random objects like this should be removed. I think the models should be player models specifically so it does not interrupt with the TTT player model hitboxes however still have a fun effect as you have a chance of becoming a fun player model.
While traitor and detective seems to be the most popular, as Honorordeath has stated, it does destroy the concept of TTT. So on this one I'm on both sides. I love this special round however I view your stand point honor as valid.
Other special rounds such as the round where everyone gets a potential real or fake golden gun needs to be revised also as I have seen numerous times players start shooting at other players which leads to RDM.
This is all I have for now however I do have ideas for new suggestions for the special rounds however this is not the right topic.
Thank you for your time.