Thiago’s Blog

All beliefs expressed in blog posts are probably still endorsed unless the post was explicitly retracted, although posts from 2022 and earlier are likely to be expressed with much less clarity than I would now prefer. All original text is public-domain (CC0). Donate bitcoin to 3B7oeununUoBiKYGXWhZFzJ9B5dyNpYpRD

Sunday, May 3, 2026

Red and blue buttons

On 2026-04-24, Tim Urban came up with a version of Lisatomic’s son’s old question (from 2023-08-13) about the red and blue pills . The ques...

Wednesday, April 29, 2026

Newcomb’s problem is incoherent

It was in August–September 2025 that I first got curious enough to really think about Newcomb’s problem, and I really nerded out. I went thr...

Saturday, April 18, 2026

On the Profit of Believing, as a Trump speech

On the Profit of Believing, folks. Tremendous profit. On the Profit of Believing , by Saint Augustine , is my favorite text, but I worry tha...

Monday, March 16, 2026

LessWrong culture and Eliezer Yudkowsky

There are many problems with LessWrong culture, in general: They have wrong views about utilitarianism . They have wrong views about New...

Thursday, March 12, 2026

Reply to Lester

This blog post is a reply to a post by JC Lester, which was replying to a post in which I replied to him, because he wrote a post that repli...

Thursday, March 5, 2026

Utilitarianism is the root of all evil

By utilitarianism I shall mean the same thing as hedonism or welfarism, to wit, the idea that there is some concept of welfare (or of ‘wellb...

Monday, March 2, 2026

Libertarianism and child neglect

This is a blog post on libertarian theory and child neglect. Although I run a newsletter, Children and Rights , which is precisely on issues...

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Thiago V. S. Coelho: Available on Twitter and Facebook.

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