What part have heuristics, cognitive bias, and dominance structuring played in how you have formed your opinions?

Examine how you have formed that opinion.
How well do you think you know the facts?
Do you know and understand statistical information that applies to the issue?
Do you think you have formed your opinion using only System-1 thinking, or have you applied System-2?
What part have heuristics, cognitive bias, and dominance structuring played in how you have formed your opinions?