> “…are they not capable of buying seeds from reputable sources…”

I don’t know the answer, but the op’s answer does point to corruption. This reminds me of early 20th century reforms in the meat industry in the United States a hundred years ago.

https://en.wikipedia.org/wiki/Upton_Sinclair

https://en.wikipedia.org/wiki/Federal_Meat_Inspection_Act

https://en.wikipedia.org/wiki/Progressive_Era