Says she's the better dog hisses

"No can do."

One should probably also take into account the existence of paraphilias. If you're relying on public dog-walking rp to get off, there's probably some valid concern to be had even before getting into the ethics of you conscripting all of the bystanders into playing supporting roles for your fetish.

One of Marx's insights about Capitalism is that unwanted power dynamics will arise despite the apparent free consent of everyone involved.