Perception of risk is a very funny thing. It's very common for people to focus on what's in front of them to the exclusion of the big picture, happens in forums of all different stripes. If you're going to worry about the minute risk of a refrigerator fire incident you should also not drive in inclement weather, on tires more than a year old, or if the sun is in your eyes as any of these probably represent 1,000x (or 10,000x) the risk factor.
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