It's growing... but from an all time low. Estimates put it at half of their ad revenue pre acquisition. A lot of advertisers did actually leave and seem to have largely stayed away or their CPM numbers are just way way down both of which are pretty bad.

Also X isn't funding Grok, it's a separate B corp with funding of it's own, it's just been tightly integrated into X, so it doesn't really say anything about the money situation at Twitter/X.

https://www.reuters.com/technology/x-report-first-annual-ad-...