Peter Singer ‘Writings on an Ethical Life’ (2000).

On the bridge of the starship Enterprise all eyes bored into the captain, who was locked in the most difficult negotiations of his career in space. Once again the Enterprise had found new life. The bald captain, determined to establish peaceful relations with it, bent all efforts to the task. Everything was on the table. At that very moment he had agreed to decommission all vacuum cleaners in the Alpha Quadrant! Why? Because the dust mites he was bargaining with had demanded it. That point conceded, the captain took a break and ordered a cup of tea from the wall, ‘Earl Grey, hot.’
Peter Singer belongs on the Enterprise. Members of its crew treat microbes with respect and eat energy, not matter. They have eradicated poverty by converting energy into matter in replicators from whence the tea came. This is the world Peter Singer wants.
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