Mostly because movie studios have more lobbyists and PR flacks than still photographers.
Also, Hollywood does vilify the various other websites. YouTube is an evil pirate website which Viacom has had to sue to vindicate its rights, didn't you know? And a couple of YouTube founders watched a Hollywood movie someone uploaded to YouTube that one time, so therefore Google should have to shut down YouTube and pay a billion dollars.
How can "we" be sure he won't just cave in again?
I say again: Why is this guy more evil than anyone else? Why is he worse than, say, Steve Ballmer? Why is he smeared, but other corporate parasites, not so much?
The point being made is not that we should trust him, but that there's nothing inherently illegal about his new site.
I'm still not clear on what it is about his website, and all the implicit data transfer it's responsible for, that's so radically different from any other website that hosts massive amounts of any data I want, shared with the world.
Flickr, for example, let's me share Terabytes of data, if I should choose to do so. Why isn't flickr villified like some genocidal dictator?