If they do that, the stock price of Google will plunge, and the CEO and directors of Google will be sued to oblivion. The vacuum created by a Google pullout will be happily filled by other tech companies (Apple, Amazon, Microsoft, Facebook) who, with less suicidal impulse, would be more than thrilled with such opportunities, even doing so with a straight face of "doing what's the best for our people". What a huge price to pay for "sending a message to Congress"...