Dynamic content on the web (javascript, web apps) is not a corruption of its original intent. Running code as well as viewing static documents was always a part of the theoretical future envisioned for it.
Eternal September is a natural part of the evolutionary process of online communities, and it is not always harmful. Cultural elitism and gatekeeping, however, are always harmful.
The web was not a mistake. The modern web is superior in terms of the breadth and depth of its content to the old web in many ways, and that old web wasn't the bastion of quality content and creativity that people seem to remember.
Design is not a waste of time, nor is it just eye candy and fluff. It matters. It matters a lot.
Stallman is not always right about everything.
The Last Jedi was flawed, but in time will be regarded as the best mainline Star Wars film outside of the OT (assuming episode 9 isn't utterly brilliant.)
Yes. Many people seem to believe HN conforms to a single political or cultural ideology, and often that the mods enforce this.
In reality, the population is diverse, and host to many conflicting "groupthinks", but people tend to segregate themselves by thread subject and time, encountering the same people and discussions over and over, making the userbase seems more homogeneous than it is.
Monads are not hard the explanations are bad.