It implies that he had to figure out a way to do something "surprising" or hype worthy for the chapter.
The structure of the rooftop then back to the other fights honestly seems very odd. Like, in the grand scheme of things, it did make the entertainment value of the raid increase, but its funny because the "real" fights didn't start until after 1010.
Now Luffy is fighting him alone. Now Kid/Law are fighting BM. Now the Calamities are being tackled by Zoro and Sanji, but for some time that wasn't the case and it was a jumbled mess of random skirmishes