Fresh site with link back to this archived version? I don’t think there is any importance in keeping the content in a state where we can add to it, but perhaps the ability to link back to it in order to ‘resume debate/refer back to’, might be best.
EDIT
Or we can ask active users to use a Temporary MG Logo avatar for their avatars, they would need this link to make the change http://community.monogame.net/users/USERNAMEHERE/activity