We see the same thing in the US for matresses, appliances, and especially electronics like TVs. Even well known large brands will be sold with long, and differe

We see the same thing in the US for matresses, appliances, and especially electronics like TVs. Even well known large brands will be sold with long, and different, model numbers. The B&Ms know that people are comparison shopping, even as they browse the store: they'll be on their phones looking up model numbers to compare to online and at nearby stores. As we all know, a moat is preferable to competition, even if you have the same or inferior product.