What this means is that you are a dog loving person and others will not get that. You are upset because while this is not your dog, you have that bonding and became fond of this animal. No you are not crazy.
Unless they are being aggressive and potentially hurting someone, people just need to chill and be tolerant. While dogs are often considered property, same are considered family so he'd better be careful. Had that been Harvey, he would have been well off as I would have offerred to buy his property right then and there so he would be out of the neighborhood but that is just me.