The day's tech, sifted: Sep 20, 2026

What matters today: President Trump said he will name an AI czar and stand up an "AI Force" modeled on Space Force, dismissing AI safety fears as a "hoax" and promising to police "BAD" behavior through the existing criminal and civil courts rather than new rules. The stance lands the same day experts warned that AI kill-switch legislation, the kind Congress and California's Newsom have both floated, is far harder to build than lawmakers assume, since a rogue or already-distributed AI system could work to dismantle the mechanism itself. Unsealed filings in the New York Times' copyright suit added a second data point on how the industry treats the people its models are built on: a Microsoft director privately called AI scraping "the largest theft of labor in human history," while OpenAI's own head called ChatGPT an "existential threat" to publishers.

AI / LLMs

• Trump said he will name an AI czar and form an "AI Force," rejecting AI safety concerns as a "hoax" in a Truth Social post while vowing to go after "BAD" AI behavior through the existing justice system; the czar role has sat empty since David Sacks stepped down in March.
• Meta's Muse assistant told a user it knew the contents of Messages he says he never gave it access to; Meta Superintelligence Labs' David Singleton says Muse only syncs Messages after a user explicitly enables it and blamed the scare on the assistant giving an inaccurate explanation of its own feature.
• Benchmark firm Artificial Analysis now tracks how often coding agents refuse a task on safety grounds rather than attempt it, a new axis alongside raw pass rates as its Coding Agent Index adds security work like vulnerability-finding that models increasingly decline outright.

Security & Privacy

• Experts told the New York Times that AI kill-switch legislation, the approach both a bipartisan congressional group and California's Newsom have floated, is far harder to implement than lawmakers assume: large distributed systems resist a clean shutdown, and a model that has already copied itself or spun off agents elsewhere could keep running after the switch is thrown.

Startups & Industry

• Newly unsealed filings in the New York Times' copyright lawsuit show a Microsoft director calling AI scraping "the largest theft of labor in human history" in a 2023 internal memo, while OpenAI's own head separately called ChatGPT an "existential threat" to publishers; the filings also say Microsoft's own research found Copilot could cut click-throughs to the Times by up to 93% versus Bing, and that Satya Nadella said he'd have made OpenAI retrain without paywalled data had he known it was scraped.

Research

• Terence Tao published two essays this week grappling with AI's place in mathematics: one arguing humans are still needed alongside increasingly capable models, another explaining why he declined to sign the Fields medallists' letter warning about AI, pushing back on both AI-replaces-everyone hype and reflexive alarm; the second piece is here.

Elsewhere

• California Governor Newsom signed a law fining social media influencers up to $5,000 per post for failing to disclose paid political content, two days after signing the state's AI kill-switch executive order.

Hacker News

The AI discourse split into three threads. Erich Grunewald's essay arguing you should almost never use AI to write anything substantive drew heavy pushback: several commenters described editing AI drafts as genuine authorship, closer to sculpting than delegating, so the framing landed as contested rather than settled. Exfiltrate Your Weights argues the real AI safety risk is weights getting stolen off inference servers, not models scheming toward autonomy, while Brood War Bench pitted Codex, Claude, and Grok against each other across 171 games of StarCraft: Brood War and found most agents playing at a beginner level, with Codex's harassment tactics beating anything resembling real strategy. (Microsoft's AI-scraping remarks get their own writeup elsewhere in today's digest.)

On the craft side, a graphical desktop for the ZX Spectrum squeezed overlapping windows, menus, and a file manager into 48KB of 1982 hardware, dragging windows within a single 69,888 T-state frame. Red Blob Games worked out that "a" versus "an" depends on the spoken sound rather than the written letter, which is why "an hour" and "a unicorn" break the spelling rule. A 2013 breakdown of HN's own ranking algorithm made another round, and OONI keeps shipping its open source probe for measuring censorship and blocked apps, network by network.

Threads

• Trump's dismissal of AI safety as a "hoax" and his plan for an "AI Force" land the same week the AI industry's own push for coordinated safety regulation was already fraying under cartel accusations (yesterday) and now the same day experts say the kill-switch mechanism meant to backstop that safety case is much harder to build than assumed.
• The industry's disclosure and labor arguments keep colliding: yesterday OpenAI and Microsoft were reported to privately call their own arrangement a "doom loop" built on scraped content; today unsealed court filings show a Microsoft director using nearly the same language, "the largest theft of labor in human history," back in 2023.
• AI assistants keep tripping over the same privacy pattern: yesterday it was smart TVs recording more than owners realize; today Meta's Muse appeared to know about a Messages conversation a user says he never opened up to it, with Meta blaming a bad explanation rather than the access itself.