If you can't show respect, you shouldn't travel. On the other hand, if you behave respectfully all the time there are lots of people in the world waiting to take advantage of you. Balancing these two things seems to be a skill which takes endless refining. S is for simplicity, the key to success while travelling. If you don't have many plans they can't go too far wrong.
T is for tourist, and for traveller, and for twit.
The last of those three labels seems the best for people who worry so much about this silly point. More comment than this is mis-said. Twenty years ago, over 900 people died in their Utopia in Jonestown, Guyana. There's a lesson there worth remembering any time you're tempted to ignore reality. V is for vomiting, another authentic travel experience along the same line as fleas and flies.