[Yizahi]

That's the point actually. And not only in Reddit, but in all current social networks. You must lose posts, you must always look at the fresh snapshot of posts. And it works, people are conditioned to work with ephemeral internet. Apps and sites all work like this nowadays - Facebook, Instagram, Shitter, Reddit main page, Netflix main page, even HN partially. You blink and everything is gone, here is new content for you, enjoy, but not too long and don't become attached. This drives up engagement in the population with attention disorders and promotes advertisement, since it is organically natural to see ads between ad-like endless posts.