In FIBA, you have 8 seconds to get the ball across the half court line, and 24 on the shot clock. Translation: no need to run a secondary break, or even a motion offense, because you'll never get to the reverse. And if they pressure the ball in the back court, the offense will have usually less than 20 seconds. You're lucky to get two good entries, so you better be running the ball through your two best scorers, otherwise you risk finding the ball in the hands of one of your weaker shooters with the clock running down. It's not good for HS, especially the JV teams who have athletes but are lacking in basketball skills. They just throw waves out and press. Thirty and ten is a much better way to go.