You want to do it, or you don't.
No sense making it a battle or trying to poselytize for or agin 'em.
I have not foresaken the electro couplers on my locos . . . at least not yet. Everything else is done including my 21" and 18" passenger cars except for one transition car. Didn't even have enough sense to keep a transition freight car!
I have discovered that grades can be a problem with KDs. I am "easing" my grades to be "KD-friendly."