Why do grooms, best men, ushers, other males in the wedding party dress like such twats. It's always the kind of clothing you'd never see anywhere else, which is fine in itself, but it's like it doesn't match people's tastes or sense of style at all, they just do it.
Like those horrible silk ties that are really wide and loosely tied with just the hint of a collar sticking upwards from underneath them:
Or like horrible shiny waistcoats:
Come on guys, it's not good.