One of my favorite dishes is seared foie gras. They had a couple of dishes where they were cooked with 'something' and then put in pastry. Someone suggested to me to politely ask if I could have it my fave way. No problem.
And if you choose anger/rudeness, then I don't believe of the subject of that is going to go out of their way to go out of their way for the rest of the trip. I have a wicked temper but keep it under control just in case it help me in the long run.
I've carried that a step further. I emailed a day or more before arrival, telling them we're getting in early and could we drop off our bags. When we arrived they had a room for us. HOURS ahead of time.
Not at all what you're asking but I'll toss it in just in case. No one - outside of government I suppose - calls it anything other than Saigon. Have a great time.
Many years I ran a little contest. I tried to remember what anyone I worked with had worn to work the previous day. Women only as the male component was too easy. Didn't get a single one. So, yeah, I pack like you do.
A few years ago we cruised on Hurtigruten, one of their small Norwegian coastal cruises. IIRC of the 100 (!) pax there were only two other "Americans." And that mad it even better in our opinion. And it wasn't our first cruised.