My anecdote is worth just as much as yours. I moved cross-country in early 2016 (for work at Google) and noticed when we closed on our house that the next street over was mis-pronounced by Google Maps. I reported it and it was fixed within a week.
Nothing -- I reported it via the consumer Google Maps function. In fact, I've reported several Maps errors over the years and all have been addressed fairly promptly. This includes before I worked at Google, during my time there, and after leaving.
Ha. But I guess I was too subtle. Google is likely to care more about addresses in the Bay Area, because if they're wrong, their Tesla or Waymo could drive them into a ditch.
