I wonder why OP is so concerned about this though! You have a long way to go before entering Legendary BTW.
Activity: 574
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I think, this will be different because lots of Legendaries are still active as opposed to donators.
What would be legendary only topics though?
Anything from block size controversy to Lightning Network implementation, but with less noise and more rationality. Right now, bitcoinTalk.org, forum.bitcoin.com, /r/bitcoin, /r/btc all are full of chaotic newbies. A Legendary, who has spent a significant amount of his online life in bitcoin related discussions, will most likely be far less chaotic than a random newbie.
Best solution would be to create a thread with self moderation.
It'll eventually keep newbies away.
Only time I use self moderation is in my reviews. As everytime some try to use it as a hardware sales (it's mean for support), or they just like to spam it. I personally don't care newbie or legendary as long as they bring good information/posts. So I don't see a huge reason for trying to be just legendary.
It would create like a "club" that really would do nothing. I cant think of any topic I have I just want to limit to legendary accounts. Normally I enjoy talking to all levels, and all parts of the world. And I enjoy helping and talking to new people... so that could be why I don't see reason to have legendary board.