I’ve always thought using CC license was sort of like thinking a step ahead. Only the next step is a big “?”.
CC at ccmixter works beautifully because it forms a sort of community based on mutual respect. I like how that works. But out in the wild, most people seem to just want to create without boundaries.
If big corporations like YouTube ignore the rules. And they set the tone. I don’t see why the majority of individuals would take the time to worry about it.