What changes? Yes you can say Kizaru won round 1, but do people genuinely think that this one round showed the highest amount of output Luffy is capable of? A single named attack, two notable instances of unnecessary damage in the form of the laser barrier and protecting Vegapunk, and 2 chapters of G5 shows that's all Luffy is capable of?
This is one of the those cases where one guy technically won the fight, but I think the other guy is overall stronger when I factor in his other performances. Luffy's next use of G5 lasted a lot longer, he used multiple named attacks, flattened Kizaru and Saturn, fended off the Gorosei etc, so there's no way I'm going to say Kizaru is above Luffy based off a single round with so many asterisks attached to it.
This is one of the those cases where one guy technically won the fight, but I think the other guy is overall stronger when I factor in his other performances. Luffy's next use of G5 lasted a lot longer, he used multiple named attacks, flattened Kizaru and Saturn, fended off the Gorosei etc, so there's no way I'm going to say Kizaru is above Luffy based off a single round with so many asterisks attached to it.
He was not in it emotionally and was dealing with internal struggles. He was constantly distracted by the need to pursue his mission. He was explicitely told to not cause damage to the facilities.
So despite Kizaru going into the fight with flimsy conviction, with his destructive power and attack scale restrained by the needs of his mission and with said mission being the priority leading to him not keeping his focus on Luffy and giving up on opportunities to press him, he still overwhelmed Snakeman and fought off G5 until its stamina limit (by Luffy's own admission).
The one attack Luffy managed to cleanly land before running out wasn't even enough to secure him a draw since Kizaru was up and blitzing everyone around moments later. Heck by the end of the arc, he is shown with no lasting injuries and clearly more concerned about the death of his friend than anything else.