Define 'long term' -- last I checked, we've got a few
billion years, or at least as long as the history of life itself, before whatever sapient species exist here absolutely have to move.
Earth, even one subject to pretty bad climate change, is far,
far more habitable than any other planet in our solar system (which wouldn't help with that multi-billion-year deadline anyway), and for the foreseeable future, extrasolar planets are essentially
irrelevant for human survival, given just how long it'd take to get anywhere.
That wasn't the question, as
@The Laurent helpfully explained. As I spelled out, I wasn't saying we can go back to pre-industrial civilization, nor that we should; instead, I was saying that industrialization bore marked similarities to industrial warfare itself, that the costs of the Industrial Revolution should not be forgotten any more than the costs of the World Wars. If we hope to change society, we should bear in mind that however we change it will have costs, and try to reduce or mitigate those costs.
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Anyway, let's get back to roleplaying games and the politics thereof, with this hot take, dealing with player group politics and implicit assumptions about games: tabletop RPGs are better as a collaborative game than as an adversarial game, and PCs should only die permanently if the player is okay with it.