Thanks averyz, it's been a valuable practical observation. Folks often talk only what they guess, not what they have experienced.
Google does not beat you for duplicate content because at the time of writing the content you already have to know the guidelines of right and wrong in content penerbitan.dan google where the original had a copy of which is not>>> if you make a mistake you will get a yellow card
Most of the experts say it is a myth but I still always use and create unique articles for myself and my clients anyhow. This also covers us all just in case there is some level of truth to the duplicate content penalty.