>>That's more data than most will use in a single day.

Not to take away anything from your point.

But I see plenty of cab drivers watch movies, youtube and use other services like Google maps.

But there are other inspiring stories. A few months back I saw a video of street flute seller who learned to play the flute through the internet. Here is one story of a Coolie who prepared for civil services exams using internet: https://www.deccanchronicle.com/nation/current-affairs/08051...

You will see plenty of stories where people are using internet to do something of value.