Tons of servers got division between people who WoE and those who don't. But none of them got identity crisis of being one or the other, then dispel/exterminate the other side. Ironically, KoS orders were issued by "social" guilds far more often than the WoE-involved guilds.
heRO is a lot better now as time healed its wounds, but there was a time when the above statement was true. In terms of guild relationships, heRO is a lot better now than it was in the past.