Alternatively you could ask the owner holding the dog. I don't disagree that knowing the breed might be nice, but again I feel like it lacks a real-world use-c

Alternatively you could ask the owner holding the dog. I don't disagree that knowing the breed might be nice, but again I feel like it lacks a real-world use-case. How many dogs do I see in day to day life that are unaccompanied? None.