... but the key thing is that I am not saying that you are an old man who yells at the clouds, rather that a lot of people worry about themselves that they might be getting unduly close-minded and that this is what the blog post is trying to address.

Your mileage seems to vary, but I find that for food and drinks in particular it's the acquired tastes you get the most enjoyment from in the end -- I haven't met many people who enjoyed their first glass of peated whisky, for example. Heck, even my best friends are definitely an "acquired taste", as is obvious to me when I introduce them to other people I know.