if by 'culture' they meant 'masculinity'.
Men touch women's knees, in part, because they are men with uniquely masculine biological traits, often combined with their position in the male-dominated power structure of society. And men also rape women for the same reasons.
The only discussion to be had is what we should do about it.
Once again, much like the Wenger debate, there's not as big a divergence of opinion as people might like to think.