My comment has nothing to do with DRM. I'm saying, "if there is no DRM" (or it is broken or can be broken), then the difference between downloading and streaming might be the difference between taking 2.2 days to "stream to disk" Game of Thrones (60 episodes @ 55 minutes) -- or, say, downloading it in 4 hours. (If downloads are allowed to be faster than realtime, which would only make sense.) GoT is obviously a hypothetical example.

If you don't think that makes quite a real difference in enabling or incentivizing actual piracy then I think I'll just disagree - that rate limit is a huge difference in my book and makes it far more likely for someone to take the trouble to rip and transcode.