(N.B.: this phrase is said to someone to make them realize how
silly/ridiculous/ coolidiculous their point of view of view is, in terms of the scientific evidence to the contrary to said point of view.
a phrase meaning
"there is no point in arguing with you because you adamantly continue claiming your point of view, even in the face of scientific evidence (or mass
popular opinion in the secular world) to the contrary."
Aunt Petunia : Harry, you dress so terribad.
Harry : lol. either you eat
bacon, or you are wrong, right? If i would conduct an
opinion poll among
Hogwarts students, 100% of them would say I dress normally for my school and my generation.