Very tempting. It's not super stealthy like the originals is it?

No its not it just a tedious Game.

No its super boring in every concevaable way

That seems to be the case for 90% of sandbox games, the single player is usually great fun but the multiplayer is rubbish. The only exception I have found so far was the latest GTA. AC online is pretty good fun, it was an interesting idea but it does get boring after you've played about 15 or so games.