Actually, given the aforementioned prompts, its quite good at discerning flaws in my arguments and logical contradictions.
I've also trained its memory not to make assumptions when it comes to contentious topics, and to always source reputable articles and link them to replies.
Granted, it is flakey unless you've configured it not to be a shit cunt. Before I manually set these prompts and memory references, it talked shit all the time.