9/11 was an attack on the USA, which still is a NATO member. You could argue the attack was not by Afghanistan, but then Afghanistan was harboring the group that did.
The UN-supervised demilitarized zone on Cyprus is between Cyprus, which is not a NATO member, and North Cyprus, which is neither a NATO member, nor recognized by any NATO member except Turkey.
So you made three factual claims that are all three false. I will leave it as an exercise to the reader whether they carry the conclusion in any way.
Oh dear, there goes that perfectly fine suburb of Rotterdam. It was nice knowing you.