I don't find this all that compelling. Different technologies can have different effects. And why would future effects be influenced by the accuracy of random people's predictions of other events in the past?
I really don't like Dia. Hijacking the search bar to use their own AI model, which is just slower than google's AI mode is such a bad experience. I am happy for chrome to have built-in AI tools when needed.
They suggest storing the idempotency key in redis. Seems like if possible, you should store them in whatever system you are writing to in a single transaction with the write mutations.