Time to revive this discussion, apparently.
Well, I don’t have the energy for an entire debate over the ethics of environmentalism, so I’ll try to make this brief.
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It’s really hard to accurately predict all the effects of one change in an ecosystem. Letting your hypothetical species of endangered lion go extinct could do nothing, but it could also lead to an overpopulation of a prey animal, which causes overeating of the local plantlife, and the reduced structure leads to soil erosion, polluting the water and killing fish, which etc etc. Plus most endangered species are endangered specifically because humans already interfered with their ecosystems. It’s not about meddling with nature in defiance of survival of the fittest, it’s about reducing the damage that we’ve already done.
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Protecting the ecoystem directly benefits humans. A lot of technology and medicine comes from studying plants and animals. Every species that goes extinct is one less species we can understand. There’s no way to only save the ones with undiscovered technological implications.
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Humanity can reshape nature, but there’s no ‘must’ about it. It’s not necessary for survival. Many cultures survived just fine coexisting with nature.
Last time I checked, the lack of death in Fallen London is because of Stone. You know, the giant diamond mountain of pure life force that the Liberation test run kills. (The justification for SSea’s permadeath is something about Stone not having much power at zee.) I’m not aware of any indications that removing law makes killing people harder, just that they won’t die of old age. A lack of law might let people use the Red Science for immortality, but that carries other risks.
The thing is, most of the revolutionaries are into anarchy. That’s why we have the Iron Republic, after all. The revolutionaries are also well-known for their violence, explicitly referred to as the dynamite faction, and there’s pretty high correlation between seizing power through force and ruling by force. The Calendar Council is aware of all this and intentionally uses it, so there’s no separating the anarchists from the ‘true’ revolutionaries. On top of that, there’s the visions from Cut with Moonlight of an alternate London where the Calendar Council equivalent seized power and the Bazaar never came. It’s explicitly oppressive, with censorship, executing dissidents, restricting food…
The dark star is absolutely (one of) the originators of the Liberation of Night. SSkies lore and some information from Alexis make it clear that the earthly Liberation is only a small pocket of the celestial Liberation, which is created and perpetrated by Judgements. January explicitly refers to the dark star as their ally above, which is notable because of the singular—that star in particular is tied to, and thus clearly created, the Neathy Liberation.
If you want immortality in the Neath, why not go overthrow Nidah? Some soldiers die, the Presbyterate stops restricting Stone’s immortality and everyone in the Neath gets to benefit. That’s a much better track record than the Liberation’s test run.
Point being, if you want to do something significant that might lead to immortality, go for the option that hurts fewer people as collateral damage. The Calendar Council is more interested in options that hurt people with possible immortality as a side effect, so their motives are suspect.