His treatment of the journalist was unnecessarily insensitive and offensive.

It doesn't mean that you endorse it. It doesn't mean you're being insensitive. It means you're a journalist and you're telling the story.

This case has dragged on unnecessarily.

The mayor does seem to have failed, from the outset of this case, to have appreciated that his conduct was unacceptable.

The case tribunal has found that the respondent did fail to follow the provisions of the code.

American products are marvels of production and functionality, but were unnecessarily and unbearably ugly, noisy smelly and offensive.