Krom
It was the wrong shirt to wear that day.
Many year ago, I used to own a Vivienne Westwood t-shirt that featured two naked cowboys in profile.
Just like I would not wear that to, say, a funeral, so Dr Matt should have not worn this particular shirt on this historic date.
I am not certain that the t-shirt is sexist, per se. Just very inappropriate.
Best response to kill this story is to acknowledge how inappropriate the shirt was, whilst wearing a shirt with a load of semi naked blokes on it.
The one thing he should not be doing right now, is wearing a hair shirt.