There are a certain category of "dog people" who are utterly unable to comprehend that other people might have different feelings about dogs, particularly their dog, than they do. As a bonus, these are the people most likely to have poorly trained, anxious, unpredictable dogs, because they're not any more likely to provide good boundaries for their dog than they are to respect yours about their dog.

My kiddo is nervous around dogs, especially small dogs, because she was chased down and bitten by a small dog whose owner had just said, "Don't worry, she's friendly," not five seconds before. Probably the dog is perfectly friendly around adults, but many small dogs were originally bred to chase running animals, and can absolutely be triggered by, say, a young child running through a park. (This is also why I hate dogs on long leashes, because it's absolutely a red flag of people who don't know how to control their dog.)