> The only difference is that these other engineers are motivated to be significantly more thorough about their jobs. What evidence supports this as the only d

> The only difference is that these other engineers are motivated to be significantly more thorough about their jobs. What evidence supports this as the only difference? I would argue these other engineers have significantly smaller jobs to do, so it's easier to be thorough. Edit: Why are you so keen to fix a problem you don't understand? Are you a programmer?