As far as I can tell, at least.
There's plenty of profit to be had in the higher end, selling "the experience". Nordstrom, for instance, is doing just fine. Being able to walk into a store, talk with knowledgable salespeople who can get a feel for your style and desires, then recommend products that suit them is a value that some customers are willing to pay for.
Johnson's background with Apple was in creating the latter sort of experience, but it simply did not match with the priorities of the JCP customer, and was driven by the notion of "build a better store, and the customers will come", without enough research into where potential gains and losses were.
There's nothing wrong with getting into a logistics competition. You just have to win.
Personally, I do not buy any clothes at all from "luxury" stores like Nordstrom's. I buy some clothes online, and basic clothes like socks from Target. I just don't enjoy feeling like a rat in a maze, which I inevitably do at clothing stores. And I don't want salespeople bothering me. The value of all this stuff is pennies in China, so I feel like we are really getting overcharged in many cases.
Pennys was more middle of the road, more like Macy's for the lower middle class.
It is a segment that is declining overall. I think that has more to do with the legal/tax/financial framework that makes big box retail grow like a weed.