I said this upthread, but I honestly don't read "a key mistake" as insulting. It just means a mistake that materially changed the conclusion. I can easily imagi

I said this upthread, but I honestly don't read "a key mistake" as insulting. It just means a mistake that materially changed the conclusion. I can easily imagine reading that in an academic paper about prior work. (I'm not claiming wether or not there was a key mistake, just whether or not it is insulting.)