You could set up two way TLS with client certificates

That isn't good enough and could be DDoS'd as well.

There's a dead comment here saying that OpenAI doesn't just DDoS the internet because it can. That's true. Any supposed DDoS is a side effect or incompetent scraping, and won't affect anything they can't scrape. Not sure why it's dead — it's important to realise this.

Edit: oh, it's probably dead because of the username

I think I know what you are alluding to, but am not sure the situation is quite the same. Also,

> The 1990s IT-related productivity jump arguably resolved the original paradox in favor of the lag in productivity benefits explanations.