These are the unintended consequence of an evil propaganda. First and foremost nobody has tyranny of numbers over anybody. Second, there is more than one and better ways to skin this cat than mass production of babies and then wait for 18 years for the babies to get id cards if they survive the infant mortality, poverty, police violence and the various versions of social, economic and political marginalization which will be unleashed by arap mashamba against Kenyans who dare to oppose him.
http://www.nation.co.ke/counties/kisumu/Why-Kisumu-MCAs-rejected-cheaper-birth-control--/1954182-4125776-rs1g8pz/index.html