His $9,000 will pay off in the first year, work and earn money, collect all the freebies and welfare and health care you can while operating in this high-trust society with your back home corruption/amoral, no-rules cash-based ways, evade most taxes, invest in social security, and retire back to the Congo as a rich and powerful man by their measure.
He’s likely spent all his energy and time communicating and studying with other unwanted imports on how to ‘game our system’ and do exactly what you’ve said. Time that he could have spent ‘really’ looking for a job (along with the responsibilities that go with).
He’s just another in the endless throng of this world’s ‘economic refugees’ wanting to come here and take all they can get without doing anything substantive for it.