Similarly, is a bad childhood an excuse too?
Maybe FWR isn't the right place for this. At the same time, I often read about women being emotionally-blackmailed into forgiving their abusers because their abuser has a mental illness or traumatic past.
Mental illness and bad upbringings seem to be taken into account when abusers are sentenced too.
One of my best friends was badly abused as a child. Luckily she has managed to recover as much as possible. However, for years she was told that whilst the abuse wasn't her fault, it wasn't her abusers either. He himself had a bad childhood and was an alcoholic, which many people thought was an excuse for his disgusting behaviour. Because of this, my friend was always told that she had to forgive him. Personally, my sympathy for that man's addiction and childhood stopped when he abused my friend, but maybe I'm too hard-arsed?