Was Hitler objectively bad?

[ib.me.ub]

Oh, Hitler had a reason. You may not think it was a very good reason but then, you weren't on the losing side of the First World War.

A reason based on racism & biggotry. So, your justification relies on the merits of revenge. You think they would have learnt their lesson the first time around the block.

Britain and France reacted when Hitler invaded Poland. They sat on their hands through Hitler's earlier moves. Perhaps Hitler merely miscalculated their resolve?

Perhaps he merely did. Oh, perhaps merely is the wrong word too use, as it resulted in the complete annihilation of the Third Reich.

Besides, The British and French (and later the US) made an alliance with Stalin who was an even bigger prick than Hitler.

But they didn't invade a sovereign country. This is beside the point of the original question anyway. You have gone way off tangent to support your own assertions. The questions was;

But then again, what would have happened if, early on, he had been assassinated, and somebody actually competent managed to take over?

I answered the question how I see fit. Please fucking answer it yourself if you like.

I can make it real simple. Kill 'em all.

You should start with yourself.