They said that the servers for now are locked indefinitely. So there is no “forgot”.
Not to say Bene won’t be reopened at some point but they already said they don’t have plans to do that.
From the blue post: “this is going to continue to be a problem when new content releases as long as mega-realms exist. As a result, we’ve made the choice to effectively close US and EU mega-realms to new and additional incoming players indefinitely.”
[Classic] The unacceptable state of Classic servers - Community / WoW Community Council - World of Warcraft Forums (blizzard.com)