The biggest way it helps is to just make it easier for the government to implement policies that help people. Under the current system something as simple as rent control is difficult to implement since you are infringing on the rights of the property owner.

And shifting away from capitalism would allow a government to focus on well being of the population without having to worry about the impacts on the stock market. Right now the stock market is so important and shifts down punishes so many people. But in reality it's such a terrible metric just like GDP. Sometimes a higher GDP just punishes the population of the country for no good reason because inflated prices bump the GDP up even if the citizens can't afford it.