Every digital advertising platform wants more revenue and less expense. Policing ad quality is an expense, whereas advertising, whether the purpose is legitimate or not, generates revenue. Only when the economic incentives shift due to public outrage, demands from large advertisers or investor pressure will the companies in a position to stop advertisements of scams do something.

This episode is also available as a blog post: https://www.masonpelt.com/adverting-scams-with-mrbeat-and-cory-doctorow/