Wouldn't a privileged DBA be able to make the data look like just about anything? Also, the location logging system as a whole isn't necessarily infallible.
Plus being publicly traded, I believe the SEC might have words on the subject.
The SEC would only get involved in the event of an IPO, an insider-trading scandal, or some other market-related event, not a dispute about accurate media reporting.
Unless the car is under a wet forest canopy, the GPS position will be more accurate than the other ways of determining position.
No, city GPS readings tend to be either plausible or nonexistent. Most receivers are able to detect absurd apparent positions created by building reflections (they do it by comparing different combinations of satellites and accepting the majority result).
Wet forest and country road, yes -- big problem for GPS. City driving, no, no really. And cloud cover doesn't significantly affect GPS performance: