If that cup of coffee is from a civet[1], for example, then it does behoove you to consider the social ramifications of your actions.
And that sandwich, depending on who you are, what you look like, and where you are, could be considered extremely political.[2]
[1] http://world.time.com/2013/10/02/the-worlds-most-expensive-c...
[2] http://americanhistory.si.edu/brown/history/6-legacy/freedom...