But right now all latency-sensitive applications should be operating just fine. I regularly play online first person shooters, and that is a latency-sensitive application if there ever was one. So that strongly suggests, seeing how I'm on Comcast / Xfinity's cheapest plan, that all lanes are fast lanes right now.
Accordingly, that means if you were to
>nuke [net neutrality] and let the markets figure it out
that's actually just letting a monopoly extract more profit from their network by intentionally degrading the quality of some connections unless paid more money.
I don't really think I need to say more, if this was a fair and competitive market where giant ISPs weren't lawsuit-happy in order to keep out competition, or they weren't able to do that successfully, sure, maybe the market would figure it out, and eventually the ISPs that offer true net neutrality would probably have traffic because no consumer is interested in paying more to be able to use the internet in specific ways.
As it stands, it's extortion being codified into law via bribery, disguised as 'the removal of heavy-handed Obama regulations in order to improve the network you've never had any issues with'.