One thing that helps, is to stop caring about whether you're left, right, democrat, republican, or something else entirely. The lack of attachment to ideologies and focus on just trying to be intellectually honest and be right, even when that's HARD, does put a serious damper on that tendency.
It doesn't render you immune, but it makes you more self-critical, which obviously helps.
How Many Of Us Are Committed To Our Beliefs For The Wrong Reasons?
One thing that helps, is to stop caring about whether you're left, right, democrat, republican, or something else entirely. The lack of attachment to ideologies and focus on just trying to be intellectually honest and be right, even when that's HARD, does put a serious damper on that tendency.
It doesn't render you immune, but it makes you more self-critical, which obviously helps.