[cyberax]

I suggest reading the blog article about Beccaria. This is a great example.

> You may prefer to venerate some Frankish monk instead, who valued scholarship without also killing thousands of Saxons, but such a person would be less influential and would probably also approve of mass slaughter of pagans anyway.

You're not making a good argument about why we should venerate mass murderers. It basically boils down to "sometimes it results in good things".