In most cases, “I know I’m biased, but...” is used as a way of feigning humility and deflecting criticism by preemptively responding to accusations of bias.
It can be a useful signal that you’re open to counterarguments and won’t get all prissy and offended if someone contradicts you.
It can be a useful signal that you’re open to counterarguments and won’t get all prissy and offended if someone contradicts you.
Agreed—I’ve edited the post to add this caveat.