I remember that being an issue for RP. There have been a few things like that.
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There was awhile where people got mad if you RPd your warrior (or whatever class) as a farmer or a craftsman or merchant.
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There were people who insisted that if you RPd a dark ranger, that the character model couldn’t be elf - it had to be forsaken.
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There was awhile where guilds wouldn’t accept dark rangers at all.
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There were racial guilds who got mad at other racial guilds for having different race alts in their guilds.
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There were racial guilds who got mad if someone RPd a character of a different race in their territory and thought characters should stick to RPing their homelands.
Then there were just odd things.
I remember having race swapped a hunter from human to forsaken and I still had in their TRP that their pets were foxes. I’d changed out to Resslan the Needler and some other named pet from Tirisfal but had forgotten to change that in the TRP. Some random person I didn’t know whispered me while I was on a flight path, berated me for being basic and having foxes, and then put me on block.