What's the most petty/pointless/pedantic hill you're willing to die on?
For me, it may be that the toilet paper roll needs to have the open end away from the wall. I don't want to reach under the roll to take a piece! That's ludicrous!
That or my recent addiction to correcting people when they use "less" when they should use "fewer"
Fruit does not belong on a non dessert Pizza, and unless you are a horticulturalist or other form of plant scientist, a tomato is not a fruit (Do you put tomatoes in fruit salad?)