Or is it a Useful Note? Or a category?
If it's a trope, then almost every example needs context.
Pinging the usual folks, but everybody is welcome to comment: @Agiletek @Bauerbach @Dominicmgm @GentlemensDame883 @H-Games~Documentation @HelljmprRookie @HeneryVII @Ilikecomputers @Jlaw @Just a 1itt1e bit further @Kuma @Lequinni @RivetVermin @Tad Cipher @The23rdCamper @TheEric132 @Umbire the Phantom @Utini501 @Xemylixa @Labster @Looney Toons @GethN7 @Robkelk @QuestionableSanity @Derivative @SelfCloak