Yeah, but also porn abusing it because our brains are kinda not adapted enough to live in THIS comfortable world with a lot of food and entertainment, so our brain (more ancient regions?) are using the same principles as when we were living under the conditions of deficit, (getting as much as possible). Not only because of that tho, but because of you being unhappy living day-to-day, and you not knowing exactly what it causes, so you have to rely on easy-ways-to-get sources of pleasure. So basically it is, whether or not porn and social media is Designed to be addictive, it IS addictive, just because the way how brain is evolved. At least, this is how I make sense of it (don't get mad if you think I might be wrong).