A charitable interpretation of the "all but certainly" line is that they meant to imply given that you are reading this on a mobile device, that device is all b

A charitable interpretation of the "all but certainly" line is that they meant to imply given that you are reading this on a mobile device, that device is all but certainly powered by the device invented by Goodenough. In fact, that's how I read it. After all, rising above the level of semantics, what is the topic of the sentence? That the things he invented have widespread use. Percent of people reading a given article on mobile vs desktop is not close to the topic of the sentence so that's probably not what they intended their words to be a commentary on.