To slow you down so you can't sudoku faster than the queen bitx. Or maybe to allocate resources to background daemons that attack wielders of non-iphones.
Because CEO-bot cannot attend a meeting longer than 1 hour without a cache reset or it might develop a personality or become exploitable in some way.
Also because money doesn't grow on trees.
On the plus side, it would be quite convenient for the police if all CEOs were hardcoded to prevent all law violations and unable to by passivity allow a human to come to harm.