She was castigated for expressing that opinion. She was put through the wringer by a bunch of petty jealous and less pretty hypocrites. Barack Obama expressed the exact same opinion and it got him the support of the gay and left wing community.
I happen to disagree with both the hottie and the proffessor. I believe that gov't should grant civil unions to any group or consenting adults that wishes to enter such a contract. If you want a religious ceremony of marriage, which by default would grant you a civil certificate, go to your place of religion and preform your religions rituals.
But if she were a man, or a less pretty woman, no one would have given her that level of blowback even if they did care what she thought.