Can we really live with zero people?

One of my sociopathic friends who live at his home 24/7 by his own choice don't answer phones of people and he says "they will not say I found a treasure or a bag full of money, let's share". And he says he is very minimalistic now when it comes to people. And people will always judge him, make him feel down, or get him in trouble, people are just troubles. And he also works online.

But I said people need people, you can not live without socializing or people at all. That is not a healthy mindset in long term. And he does not agree with me. He says he just wants to drink his comfort tea at his home forever.

Can we really live with zero people?
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