Wouldn't it be better if Google worked like financial systems? Perhaps people would learn to read maps if they weren't misled into unrealistic assumptions that

Wouldn't it be better if Google worked like financial systems? Perhaps people would learn to read maps if they weren't misled into unrealistic assumptions that Google Maps will always be available, always responsive, always correct. What is the cost, in money time, attention, engineering effort of trying to build for five 9s of reliability?