Stealing from an earlier comment of mine [1] in case you want to read the comments.
Alex Jones declared in court that his show reaches about a hundred million people. If that's true then he's paying $10 for every person who heard him defaming the families of dead children.
This would be the same principle as those fines in Nordic countries sometimes that depend on how rich someone is. If you can influence one hundred million people and use that power in a criminally irresponsible way, you get a proportionate fine.