>>39
It is from the political notes, but it has been rewritten:
https://web.archive.org/web/20161107050933/https://stallman.org/archives/2016-jul-oct.html#31_October_2016_(Down's_syndrome)
https://www.stallman.org/archives/2016-sep-dec.html#31_October_2016_(Down's_syndrome)
If you check the saved versions, the part about pets was removed sometime between 2016-11-10 and 2017-02-21, and then later the meaning was further clarified.