It's been a common observation that blue lives matter bumper sticker people are real likely to flip out if you pull them over and give them a ticket. Actual LEOs tend to be a lot more chill.
This is especially delicious considering all the right-wing assholes who dog-whistle blatantly racist/homophobic/misogynist things then act innocent when called out on it.
"What? What's wrong with what I said? I didn't say a racist/homophobic/misogynist thing. If you heard it that way, then YOU'RE the racist/homophobic misogynist one, here."