it means he picked articles

That's what I mean, He picked those that drew one conclusion, apart from those that drew the opposite, which were not picked.

then used that to say that to completely discount any sexism in tech

What do you mean "discount"?

That exact statement could be used against Damore and his supporters.

How? I'm not sure I understand. Are you saying Damore and his supporters are claiming there is no sexism in tech, i.e. the influence of sexism is zero?

I'm right, you're wrong, deal with it.

Right about what?