Not a well phrased question. It implies that there is an objective rather than subjective answer.
Even if we confine ourselves to the subjective, the fact that I happen to like drinking wine and I don't like drinking beer doesn't make me want to classify them in your categories of 'superior' and inferior', but rather in my personal categories of things I like to drink versus those I don't.
Are you perhaps making an unwarrantable assumption that we are all such cast iron bigots that we would automatically classify the world into things we personally like vs. everything else, which by definition = bad things?

I hope not. Perhaps you can clarify your question, Robin.
Had the question been posed simply as 'Why do you prefer wine to beer?" the answer would be simple - 'Because I like the taste better', and one need not go any further than that as I think we can all agree that matters of taste cannot be absolutes.
I suspect that many people would answer that it is situational, assuming they 'swing both ways'. On a hot day sitting in the sun, a beer (or for me, glass of cold water) would likely beat any wine!