And three decades in the future, I'll be very likely to be able to find the source in an archive somewhere on the planet (assuming that still exists), whereas there's no guarantee a post on Twitter will be retrievable independently.It may not be perfect, but it is a darn sight more relable and better sourced than Twitter or Wikipedia.
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A very good point.The point, really, is that users of any source should be reading them with a questioning mindset and not taking them at face value. The danger is that things become "fact" when they're not.