A week would be enough, then I would retire.

Exactly—I think Larry and Sergey are overpaying their CEO, not just for moral, "it's unfair to pay the boss while we fire the employees" reasons, but for business reasons: what's the cost of a replacement-level CEO? Is Sundar really firing Google employees more effectively than anyone else who might take that job? As noted in sibling comments, he gets paid significantly more than Tim Cook.