The employee/employer relationship is what’s different, along with the context (workplace activity) of where the communication is taking place. Unclear on why this is being disregarded. When did we start presuming that freedom of speech included the ability to, without consequence to your performance evaluation, talk shit about your employer or boss? The employer/employee relationship is all about your performance in relation to your compensation. Talking shit in a consequential way (in view of employer) reflects poorly on your performance for many and various reasons. When threshold of nuisance is exceeded, gtfo. Your contribution is eclipsed by your distraction.