The whole western World have a Capitalist system, but there are differences in different countries, depending on whether the left or the right governs, which is directly expressed in social rights and social support.

European capitalism is not nearly the same as that of the United States, a country where homeless people are manufactured en masse due to the total lack of social investment and labor rights. This as a final result costs the state much more money than investments in social projects and laws.

It is clear that the construction of social housing is a large investment, but it is profitable as a result, apart from creating jobs and increasing people's general purchasing power, new income in public coffers by people who have managed to rebuild their lives. with a home, impossible when they were on the street, depending entirely on state aid without being able to contribute anything in exchange.

In Spain there are projects in this direction with the left gov, but not so much in the rest of Europe, mostly with governments on the right. The only thing missing for this is political will, nothing else.