The GP described it as abuse. That's not evidence of companies calling it abuse. As you say, this is basically intrinsic to the deal of buying clothes/shoes/etc

The GP described it as abuse. That's not evidence of companies calling it abuse. As you say, this is basically intrinsic to the deal of buying clothes/shoes/etc online and obviously online retailers know that and accept it, or else they would not allow it (and in turn would not exist as businesses).