As a parent I don't have the time for multiplayer gaming.
Sometimes I feel like picking up an MMO. Nostalgia is calling for TBC Classic. But then I remember that I'm not going to have this combination of desire and time to play again for like a week, at least.
And I'd spend all my available time tonight just installing it and getting it working.
And then forget it's installed.
And then next time I can play, it needs to patch.
That's not way to play an MMO, especially one where I'd be paying $15/Mo for what amounts to a couple hours of playable time.