I haven’t been following it super-closely, but this reads like the SMH is trying to drum up homophobic controversy where there wasn’t any.
My understanding was that the murders were commited by a spurned lover (who happened to be a Police Officer) as opposed to some systemic homophobia within the NSW Police that led to the murders.
No doubt the NSW Police could be more receptive in general, but I don’t know if they’d have treated the case any differently if it was a heterosexual officer who was spurned and committed murder - probably more of an indictment on the awfulness of the force than any particularly political or social bent.