Edit: strike that, the “example output” is in fact a complete copy of the intended output, not just a stub. They should probably clear that with the author or remove it.
If you redistribute the generated epub, that's a different issue of course (though that is just as possible to do with copy-paste or saving the html in a browser). Don't ban tools for their misuse.
graham.epub and graham.mobi in the root of the project is very much redistribution.
http://www.paulgraham.com/gfaq.html
> Can I mirror an essay on my site?
> I'd rather you linked to it instead.
> I'd rather you linked to it instead. I like to keep track of which ones people read, because it gives me ideas of what to write about next. I also like to be able to fix typos.
Legal
TERMS OF USE
When you click on a link, our server will send you the corresponding page.The absence of a copyright or license notice implies full rights to the author