As someone who, for a living, often has to hack the equipment I work on, I also think that that the headline for that Omni article could simply have omitted the word "four" from the headline.
No one, as far as I know, has ever invented the definitive, final version of any device. If you look at all the 'perfect' machines we have (e.g.: the canoe and the kayak, the bicycle, screws and screwdrivers), they're ALL the result of incremental improvements made by lots and lots of people who kept finding that "It's pretty good. Except there's a small problem..."