[gnagatomo]

This already happened. The Federal Police uncovered that Brazilian company JBS, the largest meat processing company in the world[0], was selling rotten beef and minced meat mixed with minced cardboard[1][2]. People didn't noticed until news came in.

[0]: https://en.wikipedia.org/wiki/JBS_S.A.

[1]: https://www.bbc.com/news/world-latin-america-39311336

[2]: https://www.nytimes.com/2017/03/17/world/americas/brazil-foo...