Ah the classic journalists misinterpreting things/sensationalising for headlines.
Even if Ubisoft "scale back" support, we'll still get logical multiformat games. They've said in the past that it's very cheap to port to the Wii U (comparatively speaking) and they only need to sell less than 100k of the game to break even on the port.
The online really isn't a mess. Yes, it could do with a party system, and maybe a popup for notifications (though I'd personally turn them off, it's intrusive).
However, those are just minor OS based issues and aren't actually a point on the Wii U's online architecture which is actually very sound, and best of all, free