There are people who are strict carnivores and are perfectly healthy, just like there are people that are strict vegans and are perfectly healthy. Calling fiber essential seems wrong on its face.
If you wouldn't mind providing some research to support your agenda that would be great. Here's a list of reference research done at Harvard Medical around the health benefits of fiber and in other cases where it showed no positive improvement [0].
A statement like:
> Calling fiber essential seems wrong on it's face.
...to me seems rather ignorant given your prior claims.
[0] "Dietary fiber: Essential for a healthy diet - Mayo Clinic" https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-h...