Fair has nothing to do with it. Some people get voted out for doing dumb stuff or being annoying, some are voted out because they're strong players, and some are just bad luck because everyone picked them because someone has to go. But being voted out is part of the game. Throwing people back in so late in the game is bs imo.
Maybe we'll differ on how we view it, but being on edge isn't actually playing the game. They're not having to play in reward/immunity challenges. They're not having to build a strategy or work with groups. They're not having to lie or shift alliances to make moves. And they're not having to make potential enemies. They're hanging out with all the other people voted out. She's selling advantages, but it's not like she's putting these moves together herself. These are predetermined advantages anyone would be selling from the edge. Whether it's her or Rob or Parvati or anyone else voted out, they would be happening regardless. Survivor put those in place. And there's no risk to it. Pick someone and ask for fire tokens. There's no risk of backfire. There's no potential of it working against you and being voted out. She's influencing a game she isn't even playing.
On the edge they're making friends and building relationships with the freaking jury who awards the 2 million dollars. There's no conflict like there is while you're actually in the game. I'm kinda surprised they don't see a problem with that when they made that change.
The theme of survivor from the beginning has been outwit outplay outlast. When you get voted out, especially when you get voted out early, you've done none of those things. Some of the people still in haven't played a strong game, but they have at least played the game. The people on edge, like Natalie for example, shouldn't have opportunity to get back in the game at the final 5. Especially when they can just buy an immunity idol and guarantee immunity for this coming vote. I didn't like it when they did it two seasons ago, and I don't like it now.