A friend of mine butterflies (cuts in half lengthwise without separating) his hebrew national hot dogs before grilling them. I don't notice a difference in flavor and didn't perceive a decrease in required grill time. Is there anything gained by butter flying a hot dog for grilling?

A friend of mine butterfly cuts (in half lengthwise without separating) his hebrew national hot dogs before grilling them. 

I don't notice a difference in flavor and didn't perceive a decrease in required grill time. Is there anything gained by butter flying a hot dog for grilling?

A friend of mine butterflies his hebrew national hot dogs before grilling them. I don't notice a difference in flavor and didn't perceive a decrease in required grill time. Is there anything gained by butter flying a hot dog for grilling?

A friend of mine butterflies (cuts in half lengthwise without separating) his hebrew national hot dogs before grilling them. I don't notice a difference in flavor and didn't perceive a decrease in required grill time. Is there anything gained by butter flying a hot dog for grilling?