Earlier quoted context omitted.
Aren't Google acquihire offers conditional on passing the usual Google employee screening process? I ask this not to be negative, but out of serious curiosity. Say your employer is bought by Google - are you axed because you slept poorly and couldn't prove Fermat's Last Theorem on the whiteboard in 15 minutes?
One of my former colleagues failed to pass his interview after his company was acquihired by Google. He had designed and contributed a decent portion of the core of the product. One of his projects for the company had about 50 stars on github. n=1
More info: he is a director for a well-used standard in the IETF, so he's no slouch.