This isn't just some QoL minor addition, this is something that is needed for the game to thrive, so healers can have ret sets and actually use them in pvp, to actually have a thriving community to its highest potential. I'm on a classic server right now, and I recall from my time during classic before this, I remember being a holy paladin who could literally do none of the Badge quest in silithis and for naxxramas
I remember not being able to have enough gold to swap back when I finished my questing because gold was actually hard to get back then , so I just could not participate in said event.
I know you want to MUH Vanilla on everything but logical forethought would tell you that making people unable to play portions of the game is not some ingenius game design we should be so quick to want to preserve.
Any holy priest, paladin, restoration druid protection warrior with little gear will know exactly what I mean by this.