I'm so bold that I would have told them to remove their shoes and walk on it. Just like a child they have to learn when something is hot, they get burned and not do it again. Learned my lesson all by myself, lol. And I didn't blame my parents.I have told this to so many people(strangers) that walk their dogs on black tarmac , they look at you like you are stupid, I feel like asking them to remove their shoes and start walking.
Don't forget Westminster dog show , Thanksgiving day!!!
Thats Cruel