[awfabian2]

You actually can't make that assertion in confidence. To do so, you have to measure the utility of the benefits to a given individual, and the utility of the money they spend on it, and quantify the risk of Amazon revoking/pulling the content.

As hard as it might be for you to believe, your subjective worldview is not absolute reality, and not everyone shares your world-view and definition of utility, so you can't actually judge whether their actions are self-defeating for them.