'Hostile work environment' has a legal connotation in U.S. employment law, see:
Hostile work environment - Wikipedia, the free encyclopedia
A hostile work environment exists when an employee experiences workplace harassment and fears going to work because of the offensive, intimidating, or oppressive atmosphere generated by the harasser based on race, religion, sex, national origin, age, disability, veteran status, or, in some jurisdictions, sexual orientation, political affiliation, citizenship status, marital status, or personal appearance,
This does not seem to apply.