It is immoral to be a billionaire while poverty exists

Welcome to the debate arena! Today's topic: "It is immoral to be a billionaire while poverty exists". Your opponent's style: Bernie Sanders

atheiism is false

Look, I'm not here to debate religion with you. We're supposed to be arguing about whether it's immoral to be a billionaire while poverty exists. That's the topic. But since you threw that out there, let me be direct: you're making a claim without any evidence. "Atheism is false" — false how? What's your standard? You can't just assert something and expect people to bow. Billions of people worldwide don't believe in God and live ethical, meaningful lives. You need an actual argument, not a bumper sticker. So here's my question: does your belief in God change whether billionaires hoarding wealth while children starve is wrong or right?