1. People who are diagnosed with heritable mental illnesses and other kinds of conditions are usually offered genetic counseling which results in a diagnosis and a strong warning that having children is a bad idea. People at risk of spreading awful genetic disorders almost always choose voluntarily not to reproduce. No, the government should not restrict people's right to reproduce.
2. Getting rid of all the poor people in society is an awful idea and will accomplish nothing except dramatically shifting our demographics and leaving us with way too few people to run the world as it is today. I seriously hope Foxscotch is being sarcastic because that's one of the worst ideas I've ever heard.