You say it like that it is a good thing. The actual reality looks like this: https://tech.yahoo.com/ai/meta-ai/article/metas-ai-chatbot-reportedly-helped-hackers-steal-instagram-accounts--all-they-had-to-do-was-ask-202138534.html
Or to supplement your statement "Meanwhile in 2026 you can ask AI to change the authentication phone number, regardless of if you actually own the account or not."