Cain was a psycho-bitch and pretty much every action she took was morally/ethically wrong.
Absolute power corrupts absolutely...
Been lurking for a bit...weren't you one of the ones all for genocide with Section 31?
Define "all for"?
As a last resort to protect my way of life, I have no problem wiping out those who threaten it. Torturing someone for the hell of it when it provides little to no useful information, not so much.
But I also have no problem taking survivors of a holocaust and going on the run when staying and fighting serves no useful purpose beyond petty revenge.