Plus the junk code he gets to try to understand is actually worse than theirs. Improbable as that might also seem sometimes.

Harder to read != worse.

I have yet to see a programmer write code that manifests an artifact as effective, adaptable, and robust as a human body.

"Worse" might not be the right adjective. The code he works with scales horizontally to billions of cooperating instances, apparently can produce consciousness, and has been rigorously tested over geological timescales.

Sarcasm should not be used on HN - covered by "Don't be snarky" in the guidelines.

Disclaimer: I have a love/hate relationship with sarcasm myself!

While I respect expertise a lot it's not necessarily the case that a disease expert has a more reasonable take on personal behaviour, in fact funnily enough I've met a lot of people in the field who are extreme OCD level germaphobes, that is to say they may be irationally afraid due to their of work

Sort of like software developers turning neurotic about minor glitches because, not despite of their knowledge