Because he is implying that women who don't conform to these (his) standards are not true Muslims.

Well if you're going to point fingers are women for behaving inappriopriately (by Khalid's standards) then he better accept that he has to include Sheikha Mozah in this group.

Because despite all her tremendous humanitarian work, and all her amazing acheivements, she is still a 'flawed' woman in Khalid's eyes, because she doesn't dress properly, according to him.