Twenty odd years ago when I was moderating a forum as a teenager, we had to proactively nuke memes (or demotivationals as they were called) because the images ran up our server costs, which we were paying out of pocket money.
Now everyone can stream HD videos from their pocket with a push of a button from anywhere.
The entire infrastructure was reengineered in a span of a generation, completely changing the economics of how it works. It used to be a communal garden or occupied spaces: now it's a gigantic shopping mall.