There is no way you would expect it to be easy for you to recover from the data loss as long as you didn't or never had them backup in Google cloud or another source.
Yeah, that's usually the way it with single player mode, you can go at it which ever way you want but as for the online mode, be ready for the real battle.
Pre ordering games is a personal decision that can't be influenced if you are not going to prove the otherwise for the gamer who wants to place the pre order.