Maybe the fact that Itaril will fall for Legolas (assuming it's him, but I'm 99% sure it really is) is not that bad. I mean, think of this: she could have fallen for Bilbo instead
. Or she could have been Thorin's love interest and convince him to renounce his greedy ways (then, of course, she will be quickly dismissed from the king's guard, because seriously now, a relationship between a member of Thranduil's guard and
a dwarf?. How positively scandalous!). See? It could always be worse
.