I agree, anyone who uses World of Warcraft as an argument then keep in mind that World of Warcraft was released when the MMO genre wasn't as big, and F2P wasn't still a big thing. If you want to have a paid subscription without failing then you have to provide really high quality content, stability and so on that can match or outmatch World of Warcraft, something that ZeniMax media is likely incapable of doing seeing this is their first game, where the Bethesda people are only acting as counselors. Blizzard before World of Warcraft had made a lot of games, and had plenty of time to come up with design ideas and ways to match EverQuest, and also mixing the Warcraft universe in a proper way to make this working.