I think completely discounting what he wrote as you did in #1 with “I’m not going to spend any length of time on” was not the way to go. I haven’t read the other guy’s manifesto, but just reading yours honestly makes me root for him. You don’t sound very open minded whatsoever.…
The bottom falls out of the credibility of one critic 4 lines in from the start. So let’s look at the evidence.
Zunger read the manifesto, this guy did not.
So on the topic of manifesto contents, this guy has zero credibility or knowledge. Can’t even explain why Zunger’s position, which he sees as hostile, is not justified. Clue, before making any such statement, read the damn manifesto! And also realise that this sort of fracture is exactly what right wing zealots are looking for. Infighting inside tech. They see that they can scoop up a lot of naive support that way. However true that may be.