I don't think that anyone seriously fears that the world can be blown to pieces all together. But what one can fear and rightly so are regional things like in the Middle East India Pakistan the Korean Peninsula borders in Africa etc.
There is the fear common to all English-only speakers that the chief purpose of foreign languages is to make fun of us. Otherwise you know why not just come out and say it?
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I won't touch on risky because that's subjective. People are just afraid of things too much. Afraid of things that don't necessarily merit fear.