It's not that he used a "borderline" Offensive term to describe someone that's the problem. It's that a Professional chose to improperly engage a Fan during team practice hours on social media, misrepresented his Team, and took no accountability for his misstep until his release. Shows a lack of professionalism, that an individual prioritized "Getting the last word in" a argument over Social media, over helping his team and following team proto-calls.