In Pai's world ISPs would break Google's and Facebook's advertising monopolies by tracking your browsing habits, selling bundled services, and otherwise taxing and gatekeeping access to the network and potential competitors. And the Federal government would gladly subsidize them in right-of-way monopolies and rural access grants to do so.
Sure, sure! And ditching net neutrality regulation is a great way to bring broadband access to rural, urban and lower income areas! That worked out!
It's like Mark Twain said, everybody has some purpose in life, even if it's only to be the "before" exhibit.