The truth about "true north" is thats is a good skill on paper,in practice surprisingly insignificant. The dmg-lost, by not using it, most talking about is mainly theorectical.
But its fine to use it, just dont use it in macros. On its own button it'll work better.


Tipps for macros:
-avoid more than 3 ac in one macro, more and the game starts to struggle going through it
-/micon always at the end
-avoid more than 1 GCD-ac
-dont use the "wait"-command
-as less lines as possible
-there is no save activation for macros

putting oGCDs befor or after GCDs into macros is a personal thing. Try out what works better for you.