Haha, you still don't get it.
So let me explain it to you, real slow and simple.
The meme instructs you to post 'fuck nazis' and wait for reactions. There is no engaging besides that one statement. No other context. No discussion. Just this two words.
There is absolutely no reason to react to 'fuck nazis' with some deep philosophical discussion on how it might be problematic to call people nazis.
This might sound wild to you, so believe it or not, but next to nobody on the planet is being called a nazi. That's not an experience the average person makes.
So it's very telling when you actually are triggered. You are forcing a discussion on us nobody asked for.
It's so painfully obvious.