“The arc of the moral universe is long, but it bends toward justice.” That quote popularized by MLK Jr and originated in a different form by an abolitionist preacher in the 1800s has appeal for a lot of people, not just to our sense of optimism but also to our sense of reason and observation. We see injustice spark resistance, we see how some great injustices of the past were defeated, or at least greatly diminished by long struggle. It makes sense that given enough time, all injustices will fall, right?

With more recent history we can see resurgence, re-empowerment, and expansion of old injustices, which is a really useful reality check for those naturally inclined to optimism like (believe it or not) myself. And while outside of the worst environments for these prejudices (such as being trans in the UK) it can still be easy to see the resistance and feel optimistic they will overcome again, what would that mean long-term, if anything?

I’m not going to say that this process is perfect equilibrium, with history swinging between justice and injustice in equal measure. There does seem to be some staying power in some of the successes justice has achieved. People aren’t willing to lose the freedoms they earn with blood. But the arc idea is too simple to describe how the world works. A more accurate way to look at this fight, I think, is that there is an ecosystem of ideas in which selection plays a role.

Injustice species Misogyny rex rules the land unopposed, king of ideas. But wait, opposition appears. Justice species Feminism ceratops evolves defenses so effective that M rex dies out. But a subset of M rex mutated bigger teeth that can overcome F ceratops defenses, and do so well against them that F ceratops goes extinct. But lo, there were a few survivors of F ceratops and they evolve into the next progressive resistance.

In this model, injustices in their existing forms do go extinct – the phenomenon that makes the moral arc model seem convincing – but something always seems to evolve to replace them. What replaces them isn’t always equally bad, so it is still useful to keep fighting. But without the absolute destruction of these injustices, some form of them always survives and has a chance to grow again.

And now, from my reality-checked place of diminished optimism, I feel like even if every ounce of racism misogyny homophobia transphobia ableism antisemitism islamophobia colonialism etc. were magically extirpated from the minds of our species, some new injustice would arise de novo, due to the angling of the power hungry.

The arc of the natural universe is long, but it bends toward everything going extinct in ways ranging from miserable to horrible. Humans have time and again shown ourselves collectively unable to overcome our animal nature. As much as hippies like to separate man from animals to say industrialism is unnatural, it is not. Human decimation of the biosphere is the natural result of a species becoming too fucking successful – something we’ve seen many many times before in nature. The difference between freshly evolved plants causing a mass extinction and what we’re doing now are mostly cosmetic.

My only hope is in the unnatural. Not Elon Musk pipe dreams of technology saving us. More like Gene Roddenberry pipe dreams – the idea we can somehow overcome human nature to create a lasting utopia. And where I said the difference was mostly cosmetic? There’s a fundamental difference that might offer a sliver of hope. The tool of our decimation is a social construct, and we have the power to change those within the space of a single generation sometimes – if rarely. Whether that happens or not, praise for all of the warriors for justice, whatever your part of the struggle. Power on.

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