In that case perhaps we could compare the number of drivers in the United States with the global population and then talk about the environment? The US is a major contributor to global climate change and the US is exceptionally bad compared to other developed nations in GHG contributions arising directly from motor vehicle use. I'm not interested in contrived arguments about slavery but if you want to take a principled stand against a small minority forcing their preferences and the adverse consequences of those preferences on a much larger majority then unfortunately you are on the wrong side of this issue.