I'm just happy to flag up the contradictions in moral relativism...
Just to note that asserting something rather than demonstrating it isn't "flagging up" anything. What Trollboy is actually saying here is something like, "moral relativism contradicts my personal but un-argued opinion that the only real morality is objective morality, therefore moral relativism is contradictory".
Why on earth he thinks that but not, say, that art appreciation can't be real unless there's a big book of divinely ordained correct aesthetic positions is anyone's guess, but as he never feels like offering an argument to support his opinions I guess we'll never know.
Might be interesting if there's a moral objectivist out there who
could at least attempt an argument to demonstrate it, but until then it remains a complete dead end with Trollboy at the end of it howling at the moon, "But it'th twoo I tell you, it'th twoo...".