Giving jobs to the jobless and homes to the homeless is exactly as straightforward as it looks.
Can I live in your simple universe?
Speaking as someone who was homeless for ~5 years, I could have told Amazon exactly how this would play out. The vast majority of the homeless are drunks, addicts, mentally ill, and fantastically stupid (who think they're geniuses). What do you think is going to happen when you hire such people?