The argument is not that the internet would suddenly die, it’s that it would get chopped up and rebundled a-La cable tv. And we’re seeing isps give preferential treatment to services that pay them, just not instantly and only that because it’s been only 2 years (edit: comment below points out it’s been 5), business sales cycles are long and they aren’t stupid enough to immediately turn the heat up to 11 while the frog is still paying attention.