because no evidence was presented to the investigation! The report was commissioned to investigate alleged harassment of women by men based upon evidence presented. This is not a report into possibilities. It is a report into specific allegations.
Your stance is that when presented with allegations of burglaryl the police should investigate murder, just in case!
As is set out above: Black Lives Matter does not equal White Lives Don't Matter
The preamble only talks in generalities and doesn’t address the specific allegations. It could have been written in a more neutral way. As I noted about it appears from the wording of the preamble that the author only considers that this kind of abuse can be perpetrated against women.
Choosing to word it in a more neutral way wouldn’t have in any way detracted from the specific conclusions reached, and might have avoided readers questioning the independence/bias of the author.