
LessWrong (30+ Karma) “Past Automation Replaced Jobs. AI Will Replace Workers.” by James_Miller
Mar 26, 2026
A deep look at how AI can be copied and deployed faster than humans can retrain. A historical comparison of past automation and why this time may remove the usual escape routes. How software and internal agents accelerate firm-level automation. Which roles are likely to vanish first and how workplaces may be redesigned around machines.
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AI As A New Kind Of Competitor For Labor
- AI systems can be copied at near-zero cost and improved faster than workers can retrain, creating a fundamentally different competitor for labor.
- James Miller contrasts this to past machines that replaced tasks while leaving humans broadly useful, eroding the historical escape route into new jobs.
Software Cost Falls Multiply Automation Opportunities
- Dropping software production costs lets firms route more activity through automated systems, accelerating automation across reporting, compliance, customer service, and logistics.
- Miller highlights 'vibe coding' and code‑building AI that lets nonengineers specify goals while AI writes and iterates code.
Prepare For Shrinking Junior Office Roles
- Expect the first visible labor shifts in screen work: customer support, bookkeeping, routine legal drafting, basic research, slides, copywriting, and junior programming roles.
- Prepare by noting firms will cut internships and junior hiring as they trust software over entry-level staff.
