When someone calls to 911 than 911 always get the location in under 522feet but now using Google tech they can find the more accurate location of the caller within 121 feet.
Last year, collaborate with Europen Emergency Number Association and developed at an advanced mobile location. It sends dispatchers an SMS with location details with the radius of 6meters.
Yes, Google can get your pinpoint location, but it can't save your life until they are attached to something like 911. According to Reports of 911, they can save around 10000 lives if they will get exact details of the caller like Uber provide for its driver to get the precise pinpoint location of their customers.
Maybe until the end of this year, Google can roll out this feature in the US for Android users.