I think there is a difference, and the difference is that the developers of the property appear to have (at least, from my perspective) gone to some effort to a

I think there is a difference, and the difference is that the developers of the property appear to have (at least, from my perspective) gone to some effort to actively separate these social housing tenants. The law requires that a certain amount of this housing is made available for these people who are vulnerable (be it financially or socially or in health) but it seems that the property developers made an active effort to segregate these people from the rest of the residents based entirely on their financial status or ability to support themselves.