I don't know what Google does, I'm merely giving examples of illegal discriminatory hiring practices, which I've heard of in conversations with friends working in academia / industry. Sorry for being unclear.

That being said, there is a lot of smoke at Google as well. Google recently hired Danielle Brown from Intel. Her track record:

http://fortune.com/2017/08/07/google-diversity-memo/

Danielle Brown> Google has taken a strong stand on this issue, by releasing its demographic data and creating a company wide OKR on diversity and inclusion.

https://www.intel.com/content/www/us/en/diversity/diversity-...

Intel> We exceeded our target, hitting 45.1% diverse hiring for women and underrepresented minorities in 2016.

https://www.cnbc.com/2017/03/15/intel-may-have-figured-out-t...

> Since it began linking bonuses to diversity hiring, Intel has met or exceeded its goals.