I suspect this is more of a PR issue than a legal one. Google might not want too many youtube users than necessary realizing what they lose by posting their vid

I suspect this is more of a PR issue than a legal one. Google might not want too many youtube users than necessary realizing what they lose by posting their videos on youtube (you kind of still own it, but we can use your video pretty much any way we want, too). Too many unhappy users invites regulation