I think Jack's feeling the genuine pain of making a mistake on his own platform. It's poetic in a way, and hopefully visceral with regards to helping him really understand the power and danger of what they've built at Twitter.
Why not linking to jack's tweet directly? Does it need a whole article?
This planet has reached 'peak intelligence', and is not on the downward slope.
Maybe so, but could you please not post unsubstantive comments to Hacker News?