The whole purpose of an oil ETF is for it to give you the ability to buy or sell a bunch of oil at any time without having to deal with the actual oil. If

The whole purpose of an oil ETF is for it to give you the ability to buy or sell a bunch of oil at any time without having to deal with the actual oil. If that's the purpose, then they were flawed when conceived, because, as the article shows, the ETF´s cannot abstract from the costs involved with dealing with the actual oil.