Most women who are murdered by their partners have a history of abuse.
And a significant proportian of serial killers have been abused by their mother.
You have tried to create a gendered outrage without understanding of the finer details on the legal system of incarceration.
It is OK to feel he shouldn't get release (even though he hasn't yet) but even Nordic countries accept time served, being on the side of the Daily mail as to lock them up for life is not as progressive as you tried to spin your OP as.