$this->bbcode_second_pass_quote('', '[')b]Bias blind spot - the tendency not to recognise one's own cognitive biases.
I think that cognitive biases are very real. I do not think that the people who discovered these biases simply made them up.
$this->bbcode_second_pass_quote('', '[')b]Bandwagon effect - the tendency to do (or believe) things because many other people do (or believe) the same.
A hammer is useful for joining wood, and not useful for finishing concrete.
Also the biggest cognitive flaw humans have is the lack of an "enough" feedback system for reproduction and consumption. As long as more sex is always good and more shiny new things are always good, we're going to be circling the edges of doom.