- "Large human effort" doesn't seem like Google's style - a screen scrape for info would be faster for them, and I'd assume that they already have tools built to do that.
- If the callers are lying about being affiliated with mocality, then why can't we assume that they might also be lying about being from Google?
- Google would likely have the entire site indexed and cached already, so there's very little reason for them to get actual people to manually screen-scrape the live site.
- OK, the second wave is coming from a Google IP, but why wasn't the first wave coming from one?
Yeah, it looks pretty bad, but this type of behaviour is so atypical of Google. It seems almost laughable to make the assumption that it's anything other than scammers trying to take advantage of Google announcements to try to make a quick/easy buck by selling Google services as an affiliate.