Diversity in the tech industry

Ok so I'm not sure if everyone saw Google in the news today for one of their senior software engineers writing and distributing a document through the company called Google's Ideological Echo Chamber. Basically saying he's against Google's diversity initiatives to employ more women and minorities.

I pulled the following from a USA Today article:

The male author wrote that women don't make up 50% of the company's tech and leadership positions not because of sexism but because of differences in their preferences and abilities.

He states that women tend to be more interested in people rather than things, "empathizing vs. systemizing," whereas men have a higher driver for status and so tend to end up in leadership positions.

He also says that on average, women have more "neuroticism," as defined as "higher anxiety, lower stress tolerance."

The author doesn't believe that Google should engage in social engineering just to make its jobs equally appealing to men and women, calling "discriminatory" programs at the company available only to women and minorities.

Below are employment statistics regarding gender and race in Silicon Valley, just as an FYI.

Google has stated that they don't agree with his views, but have no plans on punishment.

Any thoughts?