I think it is time to sign comments, that way these will be tamper proof. Regarding the subreddit, I would just leave it. It was hard work of the community to

I think it is time to sign comments, that way these will be tamper proof. Regarding the subreddit, I would just leave it. It was hard work of the community to create content that exist there and it will not be nice to remove it just because of some immature CEO. But once suitable alternative comes to the light, would be nice to disallow further posts and add a redirect to the new community.