He wrote those lyrics, dressed up in a Nazi inspired uniform, then did Roman salutes as he sang them.
Likewise the big thing about the civil case was that the victims said they could identify some marks on his penis. Michael was put on puberty blockers to preserve his voice by his parents at the insistance of jewish music producers and was very self conscious of what that did to his genitals (IE: it was little) so parading his junk around to a court was part of the jewish humiliation ritual they wanted to force him to take part in to prove his innocence.
Big part of why he settled.