Yes, both the tone and the words on paper were sexist. I would give it another look and try and read it in the most empathic light you can, you might reflect on it.
Believe it or not, that isn’t the “original” in the sense of the first thing Damore did on the subject. The external world just got to see this one event.
Here is the original memo for your convenience: https://assets.documentcloud.org/documents/3914586/Googles-I...