Most Helpful Girls
It’s for transport they say, but honestly it’s always about money.
Supposedly to prevent the chips from breaking during transit
Most Helpful Guys
Firstly the bags are filled according to the weight of the chips not the volume. The bags don't contain any oxygen. They're filled with nitrogen. Oxygen would quickly turn the chips rancid. The nitrogen preserves the freshness of the chips, prevents combustion, and creates sufficient cushioning during shipping so the chips don't get crushed.
Generally it's to prevent the chips from getting crushed during transportation from the factory to the store they're sold at.