Even going back to tribes would be better because capitalism is literally destroying the world. Socialism (not social democracy) would be better for 99% of people.
Thats not what socialism is at all. It can involve collective ownership but often utilizes regulation of individual ownership to for the benifit of the workers.
No, definitionally Socialism is worker ownership of the means of production. It is a mutually exclusive form of economic organization with Capitalism. At most you are referring to Social Democracy, which is Capitalism with social safety nets, but cannot be considered Socialism.
Please learn more about what you're talking about, you're very confident for someone who clearly is mixing up terms.