BTW: What points in the video (which you haven’t watched) are in error, and why?
What points do you consider dispositive of spanking, and why?
When you are dealing with people who are out of touch with reality then it is a waste of your time to listen to them.
And their error is that they have apparently not been around groups of children. You can quickly pick out the ones who were raised with the possibility of being spanked and the ones who's parents don't.
One is mostly happy and secure, they know where the boundary's are and while they may walk right up to the line they don't cross it. The other one is a whiny screaming mess who runs around making the other children miserable.