Final answer:
KFC reduced the amount of mayonnaise in their coleslaw to cater to Japanese preferences, making the dish lighter and aligning it with local tastes.
Step-by-step explanation:
To meet Japanese preferences, KFC reduced the amount of mayonnaise in their coleslaw. Adjustments like these are common for international food chains when they enter new markets. The need to cater to different cultural and regional tastes can lead to significant changes in a standard recipe. For Japanese customers, the reduction in mayonnaise likely made the coleslaw lighter and less rich, aligning it with local tastes that may favor subtler flavors.