Well, sure, "if a company figures our a way to make massive cost savings while their competition does not" - but Uniqlo isn't that unique; nothing that they have done here is something that's fundamentally impossible for their competition to implement as well, it's just a question of appropriate investment. Yes, there's no reason for them to lower the prices right now, but that will result in mid-term (3-5 years) price decreases in the industry.