Just because an activity has a similar means of interacting doesn't mean it's the same, or even really comparable. Doomscrolling and reading a good book are both just "reading." But of course the consequences and benefits of each are quite different.
YouTube is millions of videos available on demand, instantly, across virtually any topic imaginable - with lots of high quality content available. And it's fueled by an algorithm designed to maximize "engagement", which is of course little more than a euphemism for addiction. That's quite different than TV which has a micro-sized selection of time-slotted, generally poor quality media, generally repeating on intermittent loops, that the user has to manually tune into to.
YouTube is millions of videos available on demand, instantly, across virtually any topic imaginable - with lots of high quality content available. And it's fueled by an algorithm designed to maximize "engagement", which is of course little more than a euphemism for addiction. That's quite different than TV which has a micro-sized selection of time-slotted, generally poor quality media, generally repeating on intermittent loops, that the user has to manually tune into to.