Zodiark wasn't a bad idea in itself to stall for time. The escalating sacrifices were the problem, as was the mistaken belief that life in Amaurot could simply return to the way that it used to be, as if nothing had ever happened.

'But what of the lost? Do they not deserve to live again?'
'They do. In our hearts and our souls and our memories. No one likes having to say good-bye. But it's... it's a part of life. That's what makes the time we share together so precious... You can't obsess over the mistakes of the past, or you'll lose sight of the future. Of the people still with us, who need us more than ever.'