It's clear you haven't heard of dark factories:
What are China's 'dark factories'?
Robots work in pitch black Chinese factories to assemble global best-selling EVs...
"Dark factories" or "lights-out factories" are factories that rely so heavily on robotics and artificial intelligence systems that they hardly need any human interaction or input to function, says technology company Siemens. These factories can perform assembly tasks that were typically done by human workers prior to the advent of these advanced robotics systems.
https://www.usatoday.com/story/cars/technology/2025/07/22/china-dark-factories-auto-industry-what-to-know/85307400007/
