Agreed.
IMHO you run for the "nearest suitable airfield", be it 30 minutes or 180 minutes away...in any case you keep an eye on hold temps (EICAS) and floor temps (heavy P2 standing on the deck, shoes off
...cue "the boy stood on the burning deck etc"
If, god forbid, you get signs of a real fire then the Captain is going to have to make the Career defining decision....