IIRC, Reboot locked out Zero because of its ability to progress to 180 via it's own story quest and the starting lvl 100 weapon (which in itself is not all that great BUT) that can level up on its own by completing the story line, thereby giving you an endgame level weapon for doing nothing. Since Reboot's progression also makes it so that partying up and playing together highly advantageous, having Zero reach endgame gear on its own (with it's own gear shop to boot) probably made it ineligible for creation.
I could be wrong, and sure, some of these could be circumvented/not really matter to some people, but it doesn't look like Nexon Korea is gonna change anything anytime soon.
The leveling is now a joke for all classes so I don't think it's the problem... It's more the weapon system or like you said, the gain of endgame gear. But, let's be honest, they Just don't wanna put the effort to change what 'could' be wrong to bring Zero in Reboot... And the fact that korea don't have Zero in Reboot means nothing because Reboot in Korea is dead so...
you people have been beating this horse for at least 6 years. Korea's not as "woke" as the west wishes the whole world would be, and as long as that's the case, the chances of this happening to Nexon's flagship game are very low.
The only reason it was so easily applied to Mabinogi was the rebirth system, and the fact that when you rebirth a character you're given the option to change its gender, but historically you were locked out of that option if you were in a marriage.
For now, Angelic Buster is gender-locked to female, and marriages are only between male and female characters. This will likely continue to be true for the foreseeable future as long as geopolitics maintain their current course. At this point, it would be more likely that marriages would just be removed from the game.
Except gms has done things in their game that kms has not, and I highly doubt that gms adding same sex marriage will have any effect on kms. gms has a history of doing things it's own way anyway.
I think that it's important for people to continue to keep bringing up the issue, because it's not like gay people are going away.