As others have stated, the need for 4wd is entirely one of intended usage. We off road in both our TV and Wrangler all year long. About 50% of the time we're camping we're boondocking or in very rustic campgrounds where getting stuck is a real possibility.
If you get 2wd and think you may have the rare occasion camping in places where you might get stuck. If you're going to rely on others to yank you out of trouble make sure to have a good tow strap (NO HOOKS ON THE ENDS) and recovery points attached to the frame at least one one each end, 2 is better.
In the end it's up to you.