Unemployed Concentration Camp

2022, japan's non-workers regeneration method has been established. a person who does not have income for more than six months, is subject to a treatment where they rewrite their brain at a regeneration treatment facility. tatsuya kamijo was working in a foreign-owned investment company. one day he loses his job, but six months later, tatsuya is sent to a concentration camp rather than a playback facility. there he is subjected to worse treatment than brainwashing and training. why was tatsuya sent there?