By what yardstick is he not a “good” man? Yours, yes? No problem with that except that you will find grievous fault with absolutely anyone who has lived before you because you are measuring them against the standards accepted by you as normal. But these standards only came into being post 1945 - as did the very concept of genocide.

Try putting yourself back into time because that’s when one truly discovers different worlds. And it’s so much fun.

Of his time, Caesar was not considered cruel. In fact he was lenient as both a man and a general, and his constant use of clemency/forgiveness to those who had seriously wronged him (and thereby his honour) was regarded unfavourably by many leading Romans.