Are mobile operators ready for big data caps?

"Internet users in the United States who appear to be cord cutters "consume on average 212GB a month, more than seven times the usage of a typical subscriber. These 'cord cutters' consume an average of 100 hours of video a month and account for 54 percent of total traffic consumed each month.""

From ArsTechnica and the SandVine Global Internet Phenomena report.

As more and more people move to getting all of their video content (tv and movies) over the Internet, are fixed and mobile operators ready for the huge data numbers?