It could have been investigated. Even this article states prices went down as a likely result of the investigation. Turning a blind eye bears some culpability. All we heard during those years was that it was due to avian flu shortage, and if you mentioned otherwise, you got shouted down by politically connected people.

If all you needed was a new president you could have chosen the other option.

Perhaps people were lying to you in order to make you want that new president...