One of the problems purchasing ready items like patties is that there is no guarantee that it will be of good quality. Often the seller is adding too much chilli powder or too much salt. So after eating the food item, the buyer has to waste time drinking a lot of water to neutralize the taste.
The seller is also losing money when he sells items with too much chilli powder
chilli powder like other food ingredients is sold by weight, and if the seller is using too much chilli powder he will have to purchase more chilli powder, increasing the raw material/ingredient cost
So food item sellers who wish to maximize their profit, should always try to reduce the ingredients which are used.