Oh jeez, people can be such idiots. That sounds really stressful for you and Andy.
It really is simple manners. Are people to thick to realize, or do they think they are special and they don't need to adhere to any rules? Is it that simple case of "my dog is perfect" even though it isn't?
SIGH! Damn people!
Maybe there is someone at your partners vet's who could start an educational initiative. The visual posters in this story are a great visual aid for any education initiative.
thanks for reading :-)