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"...The fallacy of false analogy is an argument based on misleading, superficial, or implausible comparisons. Also known as faulty analogy, weak analogy, wrongful comparison, metaphor as argument, and analogical fallacy. "The analogical fallacy," says Madsen Pirie, "consists of supposing that things which are similar in one respect must be similar in others. It draws a comparison on the basis of what is known, and proceeds to assume that the unknown parts must also be similar"
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The only thing your comparison of the two situations has in common is that both people are dead. The selfie person engaged in obviously reckless bahavior and sadly paid a price for it.
The wife was married to a violent bum involved in drugs and tragically when she called the police on him and had him arrested(or told the responding officers what happened) he returned home likely sooner than she expected and she was murdered. She didn't clear out soon enough from a violent relationship. I'm not about to call her names because of that, but feel free to express your disgust for the victim.
I don't believe including God in this narrative is appropriate in any way. I don't believe he wanted her murdered.
If you are still not understanding it, perhaps looking up the actual meaning of the word “deserve” (not the connotation-laden one that people love to use inappropriately) will help clear up any remaining confusion.