So what? Those people are still part of the economy. e.g. if 95% of people had net negative wealth it wouldn't mean that they could be discounted and you'd only

So what? Those people are still part of the economy. e.g. if 95% of people had net negative wealth it wouldn't mean that they could be discounted and you'd only look at the remaining 5% for any meaningful view of how the wealth that society produces is distributed.