>("I like multiculturalism, as long as every country has the same cultural mindset as mine").
To some degree, this isn't a bad idea. For example, I abhor female genital mulitaliton (FGM) and I don't think it's particularly wrong to say that regardless of it being the "culture" of some people, it shouldn't be done.
If I weren't a moral nihilist, I certainly wouldn't be a moral relativist.