"We avoid being a monoculture by recognizing that weird people can get asked too many questions in a way that annoys them and creating a standard protocol that they can very quickly use to avoid that situation so as to decrease the social pressure against being weird.  The only circumstance under which I can imagine somebody being disappeared is if knowing that they existed posed a potential threat huge enough to make up for the damage to the Civilizational structures that rely on public knowledge and collective monitoring of enforcement processes.  A visitor from a previously unknown other world is the only plausible Exception coming to mind large enough to merit that, and previously I wouldn't have called it plausible."

"We avoid being a monoculture by recognizing that weird people can get asked too many questions in a way that annoys them and creating a standard protocol that they can very quickly use to avoid that situation so as to decrease the social pressure against being weird.  The only circumstance under which I can imagine somebody being disappeared is if knowing that they existed posed a potential threat huge enough to make up for the damage to the Civilizational structures that rely on public knowledge and collective monitoring of enforcement processes.  Our first visitor ever from some unknown other world is the only plausible Exception coming to mind large enough to merit that, and previously I wouldn't have called that plausible."

"We avoid being a monoculture by recognizing that weird people can get asked too many questions in a way that annoys them and creating a standard protocol that they can very quickly use to avoid that situation so as to decrease the social pressure against being weird.  The only circumstance under which I can imagine somebody being disappeared is if knowing that they existed posed a potential threat huge enough to make up for the damage to the Civilizational structures that rely on public knowledge and collective monitoring of enforcement processes.  Our first visitor ever from some unknown other world is the only plausible Exception coming to mind large enough to merit that, because of the sheer uncertainty surrounding everything about them, and previously I wouldn't have called that plausible."

"We avoid being a monoculture by recognizing that 'weird people' can get asked too many questions in a way that annoys them, and creating a standard protocol that they can very quickly use to avoid that situation, so as to decrease the social pressure against being nonharmfully diverse.  The only circumstance under which I can imagine somebody being disappeared is if knowing that they existed posed a potential threat huge enough to make up for the damage to the Civilizational structures that rely on public knowledge and collective monitoring of enforcement processes.  Our first visitor ever from some unknown other world is the only plausible Exception coming to mind large enough to merit that, because of the sheer uncertainty surrounding everything about them, and previously I wouldn't have called that plausible."

"We avoid being a monoculture by recognizing that 'weird people' can get asked too many questions in a way that annoys them, and creating a standard protocol that they can very quickly use to avoid that situation, so as to decrease the social pressure against being non-defectingly diverse.  The only circumstance under which I can imagine somebody being disappeared is if knowing that they existed posed a potential threat huge enough to make up for the damage to the Civilizational structures that rely on public knowledge and collective monitoring of enforcement processes.  Our first visitor ever from some unknown other world is the only plausible Exception coming to mind large enough to merit that, because of the sheer uncertainty surrounding everything about them, and previously I wouldn't have called that plausible."

"We avoid being a monoculture by recognizing that 'weird people' can get asked too many questions in a way that annoys them, and creating a standard protocol that they can very quickly use to avoid that situation, so as to decrease the social pressure against being non-defectingly diverse.  The only circumstance under which I can imagine somebody being disappeared is if knowing that they existed posed a potential threat huge enough to make up for the damage to Civilizational structures that rely on public knowledge and collective monitoring of enforcement processes.  Our first visitor ever from some unknown other world is the only plausible Exception coming to mind large enough to merit that, because of the sheer uncertainty surrounding everything about them, and previously I wouldn't have called that plausible."