The fine line
Between backing a cause, and being so overly defensive that you 'defend' it even when it's not being attacked but are clearly too blinkered to realise that.
Lovely.
On a side note:
Do you think there are categorical definite moral truths? Such as?
P.s 'Blinkered' = "Having or showing a limited outlook: "a small-minded, blinkered approach".
Comes from I believe "blinkers or winkers, are a piece of horse tack that restrict the horse's vision to the rear and, in some cases, to the side." hence a narrow perception.