Couponers’ stockpiles are often filled with household cleaning supplies – one brand or another is almost always on sale and there are frequently coupons available, so you can stock up on the cheap if you’re not particularly brand loyal.
That’s not what most manufacturers want to hear, though, because brand building is big business. So big, that Clorox is taking severe measures to protect its brand, by filing a federal lawsuit against the maker of Lysol cleaning products for launching what it calls a “false and deceptive advertising campaign” that “falsely disparages multiple Clorox products”. Coupons in the News article here.