Google says “We’re not evil[*]” but some have their doubts. “Why insist, when you’re not?” they might ask.
The photo of an Imperial Stormtrooper in standing guard in one of their server farms might be fuel for the wary:
Source: Take a walk through a Google data center. When you start, take a step left and then turn left.
[*]: Actually, the slogan is “Don’t be evil.” See how a slight change of words changes the meaning of a sentence.