The socialist definition is unsound. A toothbrush is a means of production - it produces clean teeth using human labor as input. The only difference compared t

The socialist definition is unsound. A toothbrush is a means of production - it produces clean teeth using human labor as input. The only difference compared to a big machine in a factory is scale, which is a completely arbitrary metric to define on and in many cases impossible to quantify. Only land and natural resources can be treated as something different in a sensible way, but that's explored in georgism, geolibertarianism and similar philosophies, not socialism.