It means that facts matter and the headline is a lie. He was not arrested for speaking too long. He was asked to leave, refused, asked again, refused, and was a

It means that facts matter and the headline is a lie. He was not arrested for speaking too long. He was asked to leave, refused, asked again, refused, and was arrested. Asking him to leave may have been an abuse, but it's a pretty minor one compared to what the headline says.