Are you claiming everybody that creates pants also has a purse line? Otherwise, the company(ies) that don't create purses don't make more money selling purses

Are you claiming everybody that creates pants also has a purse line? Otherwise, the company(ies) that don't create purses don't make more money selling purses + pants. Of course, there could be a new company that makers neither pants nor purses that gets into the pants making business. --- It's aesthetics, pockets don't make a woman's figure slimming so they don't sell as well.