I need not name him, the subject line says it all. Normally the loss of any human life is a tragedy, but in this specific instance we find an exception to that rule. An individual such as this who was relentlessly driven on a self-appointed celestial mission to inflict a delusional belief-system upon innocents by force made him exceedingly dangerous, not just in theory, but in practise, for he inspired many to spill blood on an industrial scale.
There is much I’d be tempted to write, but others have already done a far better job than I could ever muster, so I’ll simply draw your attention to the words of two such writers.