I can agree with this as well as @thecryptofiend's points. Regardless of how much I may like something, if it is solely a title and a link/video, I just can't get myself to vote for it, even if I like it.

There really is quite a bit to be said for actually framing the "non-original" content in this sense. Simply adding that paragraph or two that explains the link/video, that users personal take on it, and maybe a bit on why we should care goes a long way in my personal book. I'll admit what is required to 'add value' to a post is subjective, but I would expect most people would find some added value when including the above. Even if it's not chosen to be voted for, this would go a long way to prevent receiving flags.