Remember that grocery stores also change their layout every once in a while. Why?

If you change it, people have to search for stuff, meaning they walk more and see things other than what they just intended to buy. So maybe they'll buy more stuff. Lots of retail stores do this. I wouldn't be surprised if some online stores did this. I suppose that if you shopped only at high-priced stores, you wouldn't suffer from this. Money equals convenience. I just figure this is one of the inherent flaws of capitalism. Annoying, but better than the most glaring of the inherent flaws of communism, totalitarianism.