To be honest, I don't see a problem with this kind of requirement for explicit consent.

I think there's a lot of harm in our society caused by complex license agreements and contracts being signed by people who can't possibly be adequately informed to have affirmed their understanding and acceptance of the terms.

It SHOULD be the law that contracts must be as clear, explicit, and unambiguous as possible. It SHOULD be the law that a term that is too confusing for a layman to grock is suspect and possibly invalid on its face. And I think a video record of acceptance along with a signature sounds like a great CYA mechanism for a lot of these contract that have very serious consequences in their terms.