As you can see above, the chart clearly states that as Microsoft's Internet Explorer's market share fell, so did the murder rate. There is only one possible conclusion: Internet Explorer is murdering people! This menace must be stopped! Soylent Green is people!
On a serious note, this is a nice reminder that correlation does not equal causation.
Or put another way, climate change is not caused by the decline of pirates, no matter what the pastafarians say. Yargh.