I don't think that's the case at all. Most good stories ebb and flow. It's important to give the viewer a chance to relax and build up tension before another ex

I don't think that's the case at all. Most good stories ebb and flow. It's important to give the viewer a chance to relax and build up tension before another exciting scene. But you're right, "Crank" is one of those movies that puts the peddle to the metal and doesn't let off. There is of course merit to that type of story telling as well.