People have access to smartphones because a smartphone is the ultimate loss leader.

Give someone a smartphone and Internet connectivity, and all of a sudden, they are a customer waiting to happen.

Point being, look at what is not ubiquitous. Housing, ability to get medical care, financial security enough to start a family...

Focusing on Net Access, and possession of the most powerful tool known to Marketing is an absurd metric from which to argue that systemic economic inequality isn't a problem.