It doesn't even matter if he does it later. We know at
that moment he wasn't down by choice but out of necessity, if Luffy could he would love to get back up while his crew and bonney are in danger. Luffy's not one to care about trivial things.
It would just mean whenever he next restarts his heart he didn't reach the same limit he did on Egghead.
You can listen to Luffy himself. In Wano he didn't agree to being at his limit, in Egghead he straight up said he is at his limit.