"Only about 5% of our customers use that much."
If only 5% uses 1.2TB each month, why would Comcast want to impose the cap to everyone?
Comcast has already made enough money and this move has nothing but against social good.
I am an international student from China in US. If you ever go to China, you will find how affordable Internet (or Phone Data plans) is. And it is even affordable in sparsely-populated rural areas, unlike the US rural areas I've heard of.
These big private companies are just lagging US behind and the country cannot do anything with it.