TIL; Bayer knowingly sold AIDS Contaminated Hemophilia blood products worldwide because the financial investment in the product was considered too high to destroy the inventory.

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

https://www.reddit.com/r/todayilearned/comments/1557alx/til_bayer_knowingly_sold_aids_contaminated/