> Nothing in their comment reads to me as "arguing against"

If competition is somehow the opposite of "centuries of traditions of open science", and "mathematics has always been highly competitive", then open science is neither sufficient or necessary for the future of mathematics. Their clear implication is that we don't need to worry about it, though, because it's always been that way.

> Reads like nothing but historical context

They literally accuse Tao of "a misstatement of mathematical history".