Quote Originally Posted by MrThinker View Post
Remember the alternate timeline with a successful 8th Calamity in which this did not happen.

Regardless, Zodiark on the Source is 8/14 so speaking from a pure total aether point, he is indeed the more enticing option than Hydaelyn.
But this did happen in the alternate timeline. They are living in an apocalypse so horrible their only option was to send someone back in time.