You hit the nail on the head dirgantara. Being poor in Jakarta means that you will constantly be bullied by the local authorities.
What the government (local and national) should do is use the poor as a workforce that can solve major problems in the country. The hoover dam
(1930) was such a project in the US. Later President Roosevelt presented the new deal policy
, which included all sorts of projects such as The Civilian Conservation Corps
, which sent young unemployed people to rural areas to plant trees against erosion. (Kalimantan could use a project like that).
Why not solve the floods in Jakarta this way. Or improve the infrastructure (see also this topic