Listen
[NOOK-yoo-lur] is a perfectly fine way to pronounce the word. It is a legitimate variant and in fact how I learned to say it, growing up. If you think that getting snarky over this is the way to fight a culture war, then you personify everything that's wrong with this side. Shape up and focus
no subject
It would be (slightly more) tolerable if it were a chiefly British pronunciation (like al-u-min-i-um and "orientate" for aluminum and orient).
. . .
Oh, this is frightening: Google gives me almost 10 times as many hits for "aluminium" as for "aluminum."
*waves a white flag*