Some marketing folks focus on how to delight their customers. Others on how to delight their CFOs. Here are a couple of examples of why we hate (some) people in marketing.
Why are hot dogs and hot dog buns sold in numbers that are incompatible? At least they are not mutually prime.
And who needs three (3) washers? Two washers? Four washers? Maybe they had just read Rendezvous with Rama?