Imagine you have ~billions of users and 99.9% of them use the default. Do you put your eng effort towards power-user flexibility for the tinfoil hat crowd or do you improve popular features?
In the case mentioned, searching "your locations" appears to be just all on or all off (I have no insider knowledge of Maps). That greatly reduces the surface area for heisenbugs in a high QPS system.
In the case mentioned, searching "your locations" appears to be just all on or all off (I have no insider knowledge of Maps). That greatly reduces the surface area for heisenbugs in a high QPS system.