Even by Hacker News standards this comment is disappointingly negative. You'd do well by including even the tiniest bit of positive feedback – this collection obviously took a lot of work and apparently you were engaged enough to make it through 11 essays.
It can be tricky. Is it worth delivering everything in a shit sandwich? With a lengthy and well thought out rebuttal, adding boilerplate niceties detracts from the detraction.
When republicans stand up and say "kill all abortion doctors," we don't necessarily have to start out with "while you have a good point, sir, ...."
Sometimes you have to call out crazy when you see it. Venkat's posts aren't crazy though. His writing consists of entertaining thought experiments and protracted observations of technical society. It's easy to poke holes in his writing when he assumes his experimental concepts have become ground truth reality then further expands, basing new concepts on his own personal ungrounded reality. It's an entire memesphere created by one person. Unless you follow along from the beginning, it feels weird and slimy until you observe how everything connects back through a single stranded conceptual birthing process.