Yeah, Zuckerberg mentioned this in an interview with The Information’s TITV.
“People say I want the fewest number of people reporting to me and the most GPUs and so having the most GPU per researcher is definitely a strategic advantage, not just for doing the work but for attracting the best people,” he said.
https://x.com/theinformation/status/1944904130155438220
The interview was cut shot due to issues with the audio.