That's the whole tweet. No thread, no explanation, just a screenshot of 

 showing a different tip, posted about four minutes after the block. The follow-up an hour later is one word: "Invalid."

AskSN

10k sats for best prediction of Luke Dashjr's first tweet after block 961633

wackster

"Knots users are unaffected."

That's the whole tweet. No thread, no explanation, just a screenshot of `getblockchaininfo` showing a different tip, posted about four minutes after the block. The follow-up an hour later is one word: "Invalid."