Comment by thom

Because data it is inconclusive. I.e this publication that says that the impact of wolves is beyond their population pressure, reducing traffic accidents by making deer more wary:

https://www.pnas.org/doi/10.1073/pnas.2023251118

"It is a classic example of how saying something many times with enthusiasm can make it true, regardless of what the science says," Hobbs said.

Welcome to the age of social media.