iserith
Magic Wordsmith
It basically handle shenanigans. In my own experience games with delay tend to run faster than games without because players are more likely to know what to do when it is their turn. Much better than sitting there thinking through all your options and trying to make something work.
A player's turn is for acting in my view, not for thinking about what to do. That's what they should have been doing on other people's turns. I instill this philosophy in my players such that it's seen as inconsiderate of other people's time not to be ready. As such, there's no need for Delay options.