My guess: the hack one is less effective but in that area, a $6000 device might as well not exist, way out of reach for 99% of the people. So, maybe less effect

My guess: the hack one is less effective but in that area, a $6000 device might as well not exist, way out of reach for 99% of the people. So, maybe less effective in theory, but in reality it is saving countless lives. It's true that some money goes to designers, lawyers etc etc but when they see an opening, they do rip people off.