As it is, Riccitiello, as of late (and previously mentioned by another poster), has had a very anti-customer approach to ALL EA games. That, in and of itself, could be the biggest thing against him. He's been promising to the damn board for years that their earnings would keep going up and up, and all of the gamers have just continued to be more, and more, fed up with his tactics. So much so, that they stopped buying them. When they did, they get this Sim City hunk o' junk. It's one giant slap in the face.
Now, add on the Amazon debacle, the twisted pile of crap PR that's against them, and you have a mixture of really poignant reasons why he's been ousted, or resigned, or whatever 'slant' you want to give it.
To say that, "No the article doesn't specifically state Sim City as the reason" , may be true, however, what's stated in the article is not necessarily the WHOLE truth behind his (ahem) untimely departure.
A freelance is one who gets paid by the word -- per piece or perhaps. -- Robert Benchley