BF's parents have a sausage dog (I'm not a dog person, can you tell? 😄).
BF looks after the dog quite a bit , but it barks....at everything. A passing cat or squirrel when indoors and when taking it out, at literally everything that moves.
I find it embarrassing to accompany a badly behaved dog on walks. BF (or his parents) says this is just what these dogs are like.
I'd have thought it wouldn't if properly trained, but what do I know? I doubt there's anything I can do but if it's normal, I'll feel less bothered by it.