JS Wei (Jack) Sun

Narayanan-Kapoor reframe AI coding data, Evans writes for her past self

Every URL the pipeline pulled into ranking for this issue — primary sources plus the supporting and contradicting findings each Researcher returned. Inline citations in the issue point back here.

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Sources

Why AI hasn’t replaced software engineers, and won’t simonwillison.net

Why AI hasn’t replaced software engineers, and won’t Arvind Narayanan and Sayash Kappor take on the question of AI job losses through the lens of a profession that is uniquely suited to AI disruption - software engineering. In this essay, we argue that there is enough evidence to reject the narrative that once AI capabilities reach a certain threshold, it will cause mass layoffs. Given that this is true even in a sector with very few regulatory barriers, most other professions are likely to be…

Quoting Julia Evans simonwillison.net

[…] Instead, I picture a specific person and I just write for them. Often this person is “me, but 3 years ago” or a good friend. — Julia Evans , write for 1 person Tags: writing , julia-evans

References

METR follow-up study (Feb 2026) metr.org

developers with significant experience in AI-specific workflows (such as ‘spec-first’ development) began to show speedups of approximately 18%

Stanford Digital Economy Lab — ‘Canaries in the Coal Mine’ digitaleconomy.stanford.edu

software developers aged 22 to 25 in highly AI-exposed roles experienced a relative employment decline of 13% to 16% since late 2022 … even as employment for developers aged 35 to 49 in the same firms grew by 6% to 9%

Hunton Employment & Labor Perspectives hunton.com

162 companies filed WARN notices … not a single company checked the box to attribute layoffs to ‘technological innovation or automation’

Re-entry.ai citing CMU benchmark re-entry.ai

while 61% of code generated by advanced agents passed functional tests, only 10.5% passed rigorous security audits

Google/DORA 2025 State of AI-assisted Software Development services.google.com

telemetry data shows a 98% increase in pull requests merged at the individual level, yet end-to-end delivery metrics often remain flat

Zvi Mowshowitz, ‘AI #168: Not Leading the Future’ thezvi.substack.com

critics often fail to update their models as AI moves up the exponential curve … ‘mundane utility’ of AI is already undeniable

Chris Coyier on Julia Evans’ blogging chriscoyier.net

writers should ignore vanity metrics and prioritize the organization of their own thoughts, making the act of writing intrinsically rewarding regardless of reach

Austin Kleon — Stephen King’s ‘Ideal Reader’ austinkleon.com

King views the novel as a ‘letter aimed at one person’ … he often finds himself wondering what [his wife Tabitha] will think of a particular scene or joke

Gotham Writers — Vonnegut’s 8 Basics writingclasses.com

Write to please just one person. If you open a window and make love to the world, so to speak, your story will get pneumonia.

Janice Hardy, ‘Kurt Vonnegut Can Bite Me’ blog.janicehardy.com

great writers often break his rules, citing Flannery O’Connor as an example of a master who defied conventional creative writing guidelines while still succeeding

Paws and Reflect blog (notes on Adam Grant) pawsandreflect.blog

the ‘writing for me’ mindset often falls into an ‘Ego Trap,’ where the author prioritizes their personal journey over the reader’s current needs

r/launchschool thread on Wizard Zines reddit.com

Evans applies four criteria for a zine topic: fundamental to computing, useful for daily work, stable over time, and possible to learn relatively quickly

Jack Sun

Jack Sun, writing.

Engineer · Bay Area

Hands-on with agentic AI all day — building frameworks, reading what industry ships, occasionally writing them down.

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