I heard that GHash.io was reaching the 50% mark a while ago and then the community decided to split off of a lot of their hashing power to rebalance the minerin

I heard that GHash.io was reaching the 50% mark a while ago and then the community decided to split off of a lot of their hashing power to rebalance the minering to other pools. Now this article is saying GHash is intentionally trying to take over? Isn't being part of GHash a volunteer effort?