Epistemic status: Left as an exercise for the reader.

I was thinking of EA outreach and its optics this week. And was inspired to glance at a specific part: What does EA look like from the lens of a Slytherin?

People keep being surprised about Effective Altruist Slytherins

Surprise means your model has error. I'll point out the confusions. First confusion:

But Slytherins don't care for altruistic goals!

I think we can divide the Hogwarts Houses into methods houses [1] :

Slytherin values social shrewdness. Understanding the status game. Knowing who holds the stakes.
Ravenclaw values well-crunched analysis. Intellectualism. Academicness.

and value houses:

Gryffindor values courage and doing what's right
Hufflepuff values kindness and loyalty

And this naturally leads into an explanation for why Slytherins would want to do EA:

Slytherins have a pretty normal amount of variance in their values, accounting for their backgrounds. Methods are (to a significant degree) orthogonal to values.

If it's a methods house, why do even the non-reprehensible Slytherins often get called evil? I think it's largely because the Slytherin-virtuous methods are considered reprehensible by the [...]

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Outline:

(00:25) People keep being surprised about Effective Altruist Slytherins

(00:38) But Slytherins dont care for altruistic goals!

(01:56) But why are there so few Slytherin EAs?

(02:00) 1. Selection effects

(04:06) 2. You just dont see them

(04:28) Case study

The original text contained 2 footnotes which were omitted from this narration.

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First published:
April 14th, 2026

Source:
https://www.lesswrong.com/posts/vEtDRyhfCNBKBiiy7/effective-altruism-seen-from-slytherin

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Narrated by TYPE III AUDIO.

“Effective Altruism, Seen From Slytherin” by Xylix

LessWrong (30+ Karma)