>>211829507nta the ice is for obvious reasons yes to make sure your drink is cold but obviously more ice means less already incredibly cheap soda which will save the shop a couple cents, everything at mcdonalds is mathmatically worked out to exact details, for instance they don't scoop up ice its the bit in the centre of the soda machine that spits out the exact same amount of ice every time, x (soda) + y (ice) = c (profit margin), cut out the ice that profit margin goes down by a near infinitesimal amount, but thats how mcds became the biggest ff joint in the world, every single thing has a perfect mesurement so you can work out to the cent what everything costs, that includes time spent by workers preparing your meal.