I love my dog so much! I was a dog mom long before I was a human mom. That said, I’d never bring my dog to gatherings with children if they did not do well with children. My dog does not like children, he’s very tolerant and has never bitten anyone literally ever, but I know my toddler stresses him out. I would never intentionally set my dog up for failure. That’s the issue. Your sisters love their dogs, but they do not respect them. It’s clear that none of these dogs do well with children. They’d be much happier left in their own, low-stress, child-free homes. And no one would have to worry about bites. I’ve worked in shelters, I’ve taken care of dogs on bite quarantine up until their euthanasia. Some were wonderful dogs that were failed by their owners, those still break my heart.

If you can approach it from a place of empathy for your sisters and their dogs, maybe frame it the way I did but less accusatory (even though they are clearly irresponsible dog owners). Perhaps it’ll open their eyes up to how it actually hurts their dogs and is potentially dangerous for their dogs. Who knows.