Sure, there are some movies we like to re-watch, but my point is that they all fit in a relatively small amount of space, a portable SSD for example. My costs

Sure, there are some movies we like to re-watch, but my point is that they all fit in a relatively small amount of space, a portable SSD for example. My costs to keep them available are almost nil. Much different than storing a local copy of all content we've ever viewed just because we technically can. Also, a lot of content is online for long periods of time, if you downloaded it once, you can probably download it again. Free online storage basically ;)