How does you not wanting to hire leftists jive with your solution of "blind hiring"? If you did blind hiring, wouldn't you end up with a quite a substantion group of leftists? Your position doesn't seem to be consistent with itself.
I would have political uniformity which would prevent Red vs Blue infighting.
#Warning# This isn't an attempt at flamebait, it's something like a hypothesis.
I would also likely be able to hire from a undervalued portion of Silicon Valley, I suspect I'd be able to get talented Eastern European, Asian and white men at discount rates. They wouldn't have to deal with PC from HR and other firms may be less willing to hire them.
It is not unusual for a sector of the economy to have a political slant. Everybody knows health/care is mostly leftist, military/intelligence is mostly rightist. These are slight tilts but the net affect has an enormous sway over sector thinking/dogma. I suspect SV will split along such lines (right companies, left companies).
There is a healthy chance this goes very wrong for Google, I see that Breitbart has collected some engineers and is releasing interviews with them. Some of the allegations made by the interviewees are very serious if they are true, potentially laying the groundwork for Google to get attacked by the White House. e.g. search engine result manipulation against right wingers, which would have include/included Trump so...
If I were Page or Schmidt right now I'd have a pit in my stomach.