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Well, the truth is the truth and death won't change it. Who was bad, was bad and some people are worse than bad.

By the way, what culture is that if I'm not too direct?

I can say that it is an act of respect for the deceased person. This is true both as a culture and as a belief!

Where I come from respect must be earned and some fail to do so.

Yes, respect should be earned by behavior. My personal opinion is parallel to yours.