A point I still have not seen considered by anyone in the Internet, like if I am the only one concerned about this:
Without Net Neutrality ISPs are allowed to favourite whomever they want. This also means that they may slow down HTTPS and favour HTTP.
While it looks like an extreme scenario, I wouldn't consider this among the less probable. ISPs are known to do obscene things with our connections and data, not even counting the Netflix ransom.
They could potentially force a downgrade to HTTP. Why you may ask? With plain HTTP connections they get the possibility of injecting code into websites they do not control (directly). This means that your ISP may inject advertisements, tracking scripts, malwares and god knows what into your daily routine.
This may also be incited by "higher autorities", police, FBI, NSA, The President. They would benefit a rollback to HTTP by all means, allowing tracking, censorship and identity profiling.
Is this the web you're asking for?