Since their academic background is so relevant (language studies and cultures being the exact domain of the impact of LLMs on society), I don't see why a grain of salt is needed.
If their academic background were relevant, they would have provided specific negative outcomes that may result from the usage of Llama 2, rather than a vague "the history of this company's choices does not inspire confidence".
What, of the many open source software releases by that company in the ML/AI field "does not inspire confidence"?
Didn't Facebook get it's start by Zucc populating it with his classmates without their knowledge or consent?
> Zuckerberg found himself brought before the Administrative Board for breaching security, violating copyrights and violating individuals’ privacy by using students’ online facebook photos without permission.
https://www.thecrimson.com/article/2004/6/10/mark-e-zuckerbe...