Earlier quoted context omitted.
Diverse, as long as you respect your colleagues. Wearing a t-shirt with scantily clad women (or men) on it is not acceptable in any workplace. Just like watching porn is not appropriate in the workplace. There is no end in sight for independent thought in science, but the end of thoughtless marginalisation of women is most definitely overdue. edit: honestly - downvotes for this? Think about what that means.
His female colleagues had no issue with the shirt. It was the guy who wrote The Verge article and the following pile on that had issue with it. In fact some of his female colleagues came to his defense on Twitter.
(as did the woman who made the shirt in the first place: https://twitter.com/ellypriZeMaN/status/533287464497332225)