Beyond all, I think cost is a major driver. A key difference in cheaply made clothing vs more expensively made clothing is the sophistication of the tailoring. However, the interesting side effect is that cheaply made clothing sort of fits everyone badly while more expensively made clothing either fits you really well or not at all. If(!) you care about well-tailored clothing you're either lucky that one of the brands fits your body or you need to go the custom-tailoring route. Custom tailoring wasn't anything special for a long time but we sacrificed it to our desire for cheaper clothing (which isn't necessarily a bad thing!)