We only have enough Plasma for Canadians because we buy almost all of it from the Americans and their terrible "paid donors".  Without those awful paid donors, thousands of Canadians who need Plasma treatments would simply die.  
Yes, let's continue to rail against paying people a small amount to donate 2 hours of their time and their blood to save the lives of those who need it.  
The people who donate plasma should be paid more than they are.