Because if we don't, we might end up feeling like aliens in organizations and societies that are full of smart machines that have no appreciation whatsoever for the unnecessary, the intimate, the incomplete and definitely not for the ugly.
Sans quoi, nous aurions l'impression d'être des extraterrestres dans des organisations et des sociétés  pleines de machines intelligentes qui ne savent aucunement apprécier ce qui est inutile, intime, incomplet et encore moins ce qui est laid.