Because if they have a huge defacto monopoly, and also a outsized impact on our culture, the impacts of them doing so are far more far-reaching than, say, LiveL

Because if they have a huge defacto monopoly, and also a outsized impact on our culture, the impacts of them doing so are far more far-reaching than, say, LiveLeak removing some video (trying to think of a competitor for YT is surprisingly hard).