if it works often enough to be a good heuristic, it's not really a bias until somebody uses it adversly
It is used adversely all the time by all sorts of propaganda. And no, you're not a special enlightened snowflake whose priors are so fine-tuned that your confirmation bias only lets true facts through.
> Be kind. Don't be snarky. Converse curiously; don't cross-examine. Edit out swipes.