MichaelSomething
Legend
If you're not willing to TPK your party to maintain impartialness, then you really weren't impartial in the first place.The real response by me now.
Fudging gives the situation a different feel than changing things out in the open does. I'm not talking about deception, per se. Rather, that even if all the players are on board with being saved if the dice gods come out and smite them hard, while supporting me immensely and they didn't do anything wrong, it would still feel like the DM saved them which alters the feel. They want to and agree that saving is warranted, but it still feels weird.
This is similar to real life where I think we've all been in situations where we couldn't and wouldn't do something differently, but still feel bad about how things turned out.
Fudging is the above situation, but it also avoids the weird feelings of an impartial DM not being impartial, even though the partiality is warranted in that situation. The saving should be done, as should sparing the awkwardness.
That's not a bad thing; but you gotta be honest with yourself and with your players.