Apparently, Licensed Clinical Social Workers - (LCSW - what the woman speaking in the video claims to be) - were not - (and usually are not) - as well ecucated as other professionals dealing in these matters, but I bet physicians, particularly, pediatricians, as well as psychiatrists and other social scientists were well aware of the "body of information" on such child abuse at least 20 to 40 years ago; and you can bet many, if not most, feminist writers and scholars were too. Imagine the JWs listening to them ("bra-burners" or psychiatrists/MDs).
This tactic (of using pseudo-professionals) to make authoritative comments about social, religious and secular issues is very typical of the Watchtower Society. Just look at what they've done over the years with the blood and immunization issues:
http://ajwrb.org/whatsnew/church_state.shtml
Typical cult behaviour.