Another reason investors deserve their income is that by having a system where corporations work toward the goal of increasing investor return, they have the incentive to be productive. So indirectly, by taking part in such a system, investors produce things with their money.
Ethics and morality existed long before Jesus. Much of what Jesus said was said by someone before him. Nevertheless, Jesus and Christianity had a huge impact on Western ethics. The Greeks and Romans cared about people in their in-group. The Jews cared about fellow Israelites, including neighbors who had joined the group. Jesus preached that we should love all.
“The review, which is the culmination of a years-long investigation, contains multiple allegations of wrongdoing, including that Gaetz spent tens of thousands paying women, and in at least one instance a 17-year-old, for sex or drugs, and that he’s used illicit drugs like ecstasy and cocaine. Although the Ethics Committee concluded that Gaetz had not violated federal sex trafficking statutes, it found that the lawmaker had broken other state laws.”
Human beings don’t naturally care about the welfare of human beings from out-groups. And, economic incentives can lead to owners brutalizing and killing their enslaved workers.