There was a recent discussion on X about this that had a couple of Cloudflare people chip in, including their CTO:
https://xcancel.com/simonw/status/1988984600346128664
The highlight from that thread https://xcancel.com/dok2001/status/1989005141450846470#m
alt Hacker News
The highlight from that thread https://xcancel.com/dok2001/status/1989005141450846470#m