User blog comment:Is that so. Well.../Why I support the Dominion/@comment-1834116-20140312163938/@comment-6044976-20140315015508

He drove every snow elf man, woman and child to extinction, even though there is no possible way that their whole race could have contributed to Saarthal.

Also the Snow Elves were there before the Atmorans, so they would know that the nords come from another land, they probably even saw Atmorans arrive on their ships. So therefore Saarthal wasn't an attempt to wipe out the entire race, but rather an attempt to regain control of their homeland.