I usually do not originate posts. As a public service I thought I would post a few studies, most published and others just articulated on the web, about the effectiveness of AI.
Ford rehires humans after finding AI can't deliver quality
https://lnkd.in/eCi7wyE9, The BBC, Jun 2026
"Corporate leaders are starting to question whether soaring AI spending is delivering meaningful returns," https://lnkd.in/exb3VncU
Uber's COO says it's getting harder to justify the money spent on AI tokenmaxxing. https://lnkd.in/giMSMnYC, Business Insider.
Microsoft reports are exposing AI’s real cost problem: Using the tech is more expensive than paying human employees, https://lnkd.in/g3cq95pv, Fortune magazine.
Use of ChatGPT reduces brain activity by up to 55% in college essay composition: https://lnkd.in/eHfTNcwX, Cornell University, Jun 2025.
AI dilutes your ability to retain and recall information. ChatGPT: The cognitive effects on learning and memory, https://lnkd.in/e95ZCR2b, Chinese researchers
Doctors' use of AI erodes their own ability to diagnose tumours. "Endoscopist deskilling risk after exposure to artificial intelligence in colonoscopy: a multicentre, observational study."
https://lnkd.in/egGaQgAT. The Lancet digest of medical journal publications.
AI dilutes critical thinking: "AI Tools in Society: Impacts on Cognitive Offloading and the Future of Critical Thinking." https://lnkd.in/ePjS3UZG, Sept. 2025, SBS.
Devs predicted they would be 24% better but in fact were 19% worse: the METR study. https://lnkd.in/e-5SGtwW
AI prompters may be productive, but at the cost of quality: maintenance and repair costs more than eat the advantages. Scientific American. https://lnkd.in/eHsShjzv.
AI-generated "workslop" is measurably destroying productivity. Harvard Business Review. https://lnkd.in/eUyx5t5K
Microsoft found that Copilot 1. made developers feel they were getting more done, 2. gave little to no productivity gain, and 3. increased bugs. https://lnkd.in/ec6ZqpJ8. The BBC, June 2026
Bain & Company research finds AI causes a 10% to 15% hit. https://lnkd.in/e3V87F3i
For the layperson: AI chatbots could be making you stupider. https://lnkd.in/eEVFqJi2, 20 Apr 2026. BBC News.
Cornell University. Scientific American. Harvard Business Review. Microsoft. So many of the positive reports come from sources we should view as untrustworthy, given the posters' prospects of benefiting if AI actually helps.
