Comment by dv_says

Independent verification.

For example, this could have helped in [1][2][3] where toxic food products were very mislabeled.

[1] https://en.wikipedia.org/wiki/2008_Chinese_milk_scandal

[2] https://en.wikipedia.org/wiki/Gutter_oil

[3] https://en.wikipedia.org/wiki/2014_Taiwan_food_scandal