[mindslight]

> that every human must have complete technological and implementation knowledge

Or they could use software produced by people with that knowledge and who had users' interests in mind, which would automate the appropriate way to handle these concerns. And if they're unable to judge softwares' merits, they should rely on the opinion of more knowledgeable friends.

In this case, the device could easily generate a new MAC for every connection attempt, and give you an option to make that identifier more persistent per-network.

But instead people listen to the TV (et al) as it tells them to keep buying new closed Androids and iDevices, and then act incredulous (or Stockholm syndromed) when for-profit companies end up betraying them.