I generally trust rbultje to benchmark correctly but the ravid tracking ticket has multithread numbers across multiple platforms that don't show that big a difference.

https://github.com/memorysafety/rav1d/issues/1294

Is that explained in replies? I only see the original tweet as I'm not logged in.

Change it to xcancel for access. https://xcancel.com/ffmpeg/status/1924137645988356437?s=46

No. The replies are just language war stuff.