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It seems plausible, i.e. not impossible with our current understanding of physics, that humans that could accelerate small quantities of mass to significant fractions of the speed of light (0.01-0.4c) thereby building relativistic missiles which could be launched at known planetary bodies in other star systems.

The potential that humans may create and use relativistic missiles combined with the philosophy of safety first suggests that humans might be treated more like fire ants or brown recluse spiders:

1. if you see them you call pest control so they don't sting you when you aren't paying attention,

2. to get rid of the ones you can't find you leave some poison traps out,

3. and you make sure to vacuum regularly ("do you want ants this is how we get ants").

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