Here is a pretty comprehensive list of film stocks over the years. And there have been options! But when it comes down to it, the options were: do you want daylight, tungsten or black and white? After that, it's all purely aesthetic
To be honest, reading this article, it kinda makes the podcast moot. It's a good thorough explanation of color temperature
I know there's more to this fire somewhere out there but I can't find it. But at the 22 second mark, you can see the fire on the bottom left of the frame and it's blue. And I still am fascinated by it.