I'll send food back if it's made wrong, no big deal. It happens. When I was younger I worked in restaurants and have had steaks I was proud of sent back and have other food sent back that I either made incorrectly or the waitress wrote the order incorrectly.
"Shit happens".
Respect and understanding goes a long way regardless of what side of the coin you're on.
Rambler OP wrote
Around here, I think half the time they hear me say, "No pickles" they hear, "Extra pickles" and pile it on. Gross.
I like pickles, just not on sandwiches or burgers.