White-labeling is the practice of providing a product to another company to be sold under that company's high-quality brand name. Since white-labeling allows the designer of a product to obtain additional revenue from a given design at minimal cost, and it allows the seller of the white-labelled product to sell and obtain a product without having to design the product, white-labeling is usually advantageous for both parties.
Which of the following, if true, most seriously weakens the argument?
【选项】
The products best suited to white-labeling are those that are related but not core to the seller's key product offering, if the seller specializes in one offering.
选项是否正确？