> You'll never guess the culprit
Not knowing about turmeric comes off as deeply ignorant when a billion people consume it as part of their daily diet.
> They don't know that this is harmful for human health
Let me assure you that they absolutely do and they couldn't care less. This also makes it seem like poor clueless farmers are to blame while mega-corporations that process, package, market and distribute these spices are never given even a passing mention!