The frostbeards, to my knowledge, still worship him as their main diety. So he isn't solely a snow elf, nor should he ever be if I'm honest. I appreciate you trying to be diplomatic and stating your personal intentions clearly, but buff' s statements worry me.
Wyrvun did not need a rewrite, he did not need to be fleshed out. The aengul itself and and Ondnarch were entirely developed through in-game means. You cited that there were only a handful of lore docs publicly on him, that's because he is one of the few parts of the server left that was developed naturally. By creating this rewrite it destroys that special aspect that wyrvun and by effect ondnarch possess. That event line had the most impact on dwarves history in the entire servers history. This is a widely accepted truth held by those who were around then and are still in contact now. I'm not sure you, or buff or anyone else defending this rewrite understands that. There was nothing wrong with the current info on wyrvun. Sure, it may be a bit short on the forums, but it carries so much weight. Maybe it's because I don't like the new concept this server has of lore before roleplay, but I cannot stand by and let something the forms much of modern day dwarven history on the server be rewritten and adapted to fit a snow elf populace.