I'll give mine to get the ball rolling.
There was a user that, before getting banned, declared that every single living human being alive on Earth right now should not exist because no one had the benefit of a pre-conception device on hand to somehow determine each individual's consent to exist before they started to exist.
I don't know if that take would make David Benatar blush, make David Benatar cackle with glee, or if that was posted by David Benatar himself.
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Maybe, but the phrase "It has plugins for Wolfram Alpha, giving it many analytical tools" is permanantly etched into my brain because of that thread. It's up there with "preemptive last resort".