I don't really see how they refute this argument though? Clearly they state arguments both in favor of postfix and prefix but it feels like some framework for weighing the arguments is missing, otherwise it just comes down to how individuals weigh the arguments.
That document isn't about arguing one way or the other, it lists all the different options and pros/cons. The post thread is the current stance of the lang team and letting everyone know they're going to make the final decision later this month.
Boats' keynote at rust-latam goes into some more detail as well.
I'm just a casual observer here, but it seems like just about every argument and position on the subject has been iterated across Github, internals.rust-lang.org, the IRC/Discourse/Zulip chats, Reddit, and now HN.
This post by boats is just the next stepping stone alerting the community to the direction the team is leading and that it's going to be over soon.
I don't really see how they refute this argument though? Clearly they state arguments both in favor of postfix and prefix but it feels like some framework for weighing the arguments is missing, otherwise it just comes down to how individuals weigh the arguments.