The money goes where they want it to go, which is frequently not where it’s needed.
And you are correct, they should not have the money, since they didn’t earn it. They also shouldn’t get to decide where it goes, since they aren’t suited to make those decisions. It should be taken from them.
Behold, I am a pedant that agrees with you! However, I do believe that billionaires earned their money… in the same way that a plantation owner earned their terrifying hoard; using their complete moral depravity and means.
See you call that earning. I call it stealing. When something is earned, it would be wrong to take it from them.
Vikings earned their broadly spread genetics in much the same way, complete moral depravity and means. Just because something is stolen doesn’t make it unearned, and just because something is earned doesn’t entitle possession. Theft begets reprisal.