Earlier quoted context omitted.
I'm not sure I understand your point so please correct me if I misunderstand, but the person wasn't fired for having a different opinion. He was fired for saying things which were deeply hurtful for a large number of employees.
Have you even read his text? Please quote the "deeply hurtful" passages
Other people were clearly hurt by it though and I don't believe I'm in a position where I should tell other people what they should or shouldn't feel.