"...I think it might have something to do with the phrase "solid fire that doesn't burn
""

Sometimes people don't do the research. Then sometimes people make a horrible error due to their lack of research. But then there comes a point where something is just so plain wrong that out there, somewhere, someone in the profession of that research sheds a tear.
This is Artistic License taken to its logical extreme conclusion. For actual crying, see Tear Tropes.
Tropes:
Also see:
- Artistic License Geology
- Artistic License Ornithology
- Artistic License Paleontology
- Somewhere, an Entomologist Is Crying
- Somewhere, a Herpetologist Is Crying
- Somewhere, a Mammalogist Is Crying
- Break the Scientist - this is when any of the above are depicted in the work itself.