What's the most petty/pointless/pedantic hill you're willing to die on?

https://programming.dev/post/18479453

What's the most petty/pointless/pedantic hill you're willing to die on? - programming.dev

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”

‘Porn’ is plural, with ‘porno’ being the singular.
Were you watching a pornograph?