People in Germany-dominated parts of Europe don't even get the reference. Several years ago, while talking to a customer, who was from Belgium, I made a reference to a technical solution being our final solution. It was totally innocent and a mistake on my part. If the guy caught it, he didn't say anything. I even mentioned it to the British sales engineer, also on the call, and he didn't notice it.
Language barrier, perhaps? He may not be as familiar with "the Final Solution," in English. Unless y'all were both speaking Walloon.
(Awesome. I got to use "Walloon" in a sentence.)
Speaking of conflicting "triggers;" why don't we see more counter-triggers? For instance:
"When you doubt the validity of the Iraq war, it suggests that my friends put their lives at stake for nothing. It triggers me."
"Since many of my co-religionists have been sued, arrested, or otherwise discriminated against for their beliefs, your support for homosexuality triggers me."
Other examples will occur to you.