Pre-2026: one human teaches another human how to "interact on Github and write a blog about it". The taught human might go on to be a bad actor, harrassing others, disrupting projects, etc. The internet, while imperfect, persists.
Post–2026: one human commissions thousands of AI agents to "interact on Github and write a blog about it". The public-facing internet becomes entirely unusable.
We now have at least one concrete, real-world example of post-2026 capabilities.