Maybe that's really Netflix's business model these days: nobody watches anything, but it's a hassle to cancel the account, so nobody does it, so lets continue frustration our users, maybe they will stop visiting us completely while never really leaving us.
Let's look at the bright side though, we're going to end up with a lot of nice thumbnails.
High use means you need large quantities of high quality content. Low use means you can use a small amount of high quality content as a "loss leader" then back fill with cheap garbage no one is going to watch anyway.