How come we didn't know?
See references below last slide

https://keepournhspublic.com - http://www.patients4nhs.org.uk - http://peoplevspfi.org.uk/exhibition-how-come-were-still-paying-for-this/
​ - http://www.globaljustice.org.uk/campaigns/trade-justice  - http://www.marionmacalpine.org.uk - 
https://www.youtube.com/watch?v=IcLcQ4hBulI&feature=youtu.be