I also do not think there will be another MMO EVER in the history of MMOs that will have 12 million subs.
There will be peaks and troughs but the market is changing.
I don't know how this translates to "Its having major problems" though.
Sure are they upset that ~13% of the playerbase have left. I 100% see that.
It is old, It is in decline. People are bored and moving on. They are not getting new players, I 100% see all of that.
From my personal point of view I see much more "turnover" of casual people in our guild.
The play Rift for 2 months, the play WoW for 2 months, they play SW:ToR for 2 months etc etc they get bored and move on and then come back again, back in the days these people would of stayed subbed to WoW, now they do not.
Any other MMO would be ecstatic if it had the amount of paying subs that just left WoW let alone the amount that it actually has.
But none do.
Have you seen the patch notes for 5.4?
Does it look like they are "abandoning" WoW?
Please please explain what the "major problems" are.