I've experienced this personally, as a controls engineer for a test/manufacturing equipment shop. Usually, customers accept our ready-to-go controls. But a ha

I've experienced this personally, as a controls engineer for a test/manufacturing equipment shop. Usually, customers accept our ready-to-go controls. But a half dozen times in the last few years, they say "don't bother pulling wiring or writing software, we'll do that". 5 out of those 6 machines are still non-operational.