it has its strategical advantages,forinstance going dt's quick forces the opponent to get robo - so if he is a little slow on that and you sense it you can take advantage of that fact - and then forces him to get robo which gives you enough time to secure your expo. of course it's not to be used all the time and like all strategies it has a weakness - the trick is to use it at the right moment, try and sense whether or not he is a little late on the robo - and if he does - then the dt fast expo strat is a great counter for it.

but liek all things, it is situational and a n intuition is required to pull it off effectively against a good player.