Here’s an article about copyright filters, with the forceful title “This Music Theory Professor Just Showed How Stupid and Broken Copyright Filters Are –Automated takedown systems don’t work, stifle free expression online”
YouTube’s Content ID is the most expensive automated filter system of its kind, yet these kinds of stories are not just common, but comical. Like the time another professor uploaded a ten hour video of white noise, only to have it flagged five times for copyright infringement.