The FSF explanation of why they dislike Anubis could just as easily apply to the process of decrypting TLS/HTTPS. You know, something uncontroversial that every computer is expected to do when they want to communicate securely.
I don't fundamentally see the difference between "The computer does math to ensure end-to-end privacy" and "The computer does math to mitigate DDoS attempts on the server". Either way, without such protections the client/server relationship is lacking crucial fundamentals that many interactions depend on.
Personally, I don't mind the "I asked AI and it said..." Because I can choose to ignore anything that follows.
Yes, I can judge the sender. But consent is still in my hands.
Otherwise, I largely agree with the article on its points, and also appreciate it raising the overall topic of etiquette given a new technology.
Like the shift to smart phones, this changes the social landscape.