Would you be okay with being asked for a favour because of your skin colour?

I have a new puppy, as you may know. In order to have him like all kinds of people, we are doing a lot of socializing. For example, I’ve been striving to have him meet people of different skin colour. I know quite a few dogs who will spook and alarm-bark at those with a darker complexion, and I don’t want that.

I’ve been asking strangers to feed my pup. Most are delighted to have their day be interrupted by a cuddly puppy. However, I’ve felt weird explaining that their appearance is what makes them good training subjects. Instead, I’ve just told them I want my pup to make loads of friends so he will continue to love humans.

Do you think I am being overly sensitive? It sounds weird, in my opinion, to say: “Lovely. You’re black. Will you feed my pup so he doesn’t become racist?”