> no one seems to invented a better alternative

There has been myriads of alternatives experimented in the 200,000+ years humans have been a thing. Many ancient societies didn't have the concept of property. Others did, but burned everything someone possessed when they died, ensuring a level playing field at each generation. Most ancient societies didn't have any hierarchy at all. The concept of anyone being the boss of anyone else is extremely recent.

We marvel at our modern world but what does it give us? Does it make us happy?