Oda contradicts himself in every corner at this point, it's the reality of the post-timskip.
Ace's novel author is not clueless, we know as a fact that he asks permission from Oda and his editors about
EVERY IMPORTANT SUBJECT in the story, Oda's editors personally review novels before publishing it. It's so bizarre for me that pepole blame editors, novel authors, shonen jump itself just to not blame Oda. One Piece as a story, in post-timskip, is outstandingly inconsistent, that is due to the fact that Oda cares only about the beginning and the ending of the story, he has completely given up on the middle of the story. Oda is like an
"out of air runner that has given up on the race, so the only objective he has is to just finish the race, barley stending on his feats and trying to find pockets of air just to finish it off." Drizzt Has pointed out an interesting thing in his video: it has turned out that Oda once said that
"he wants to finish one piece when he becomes 50 years old, so that he has enough health to travel into places that he always wanted to be," and Drizzt pointed out that the time periods that Oda has given about One Piece's ending, ruffly but nonetheless, correspond to the year when he will turn 50. And I think Drizzt has a point here... Oda's laziness can be seen everywhere at this stage of storytelling, but the best example amongst all of them is Haki, particularly the armament haki. Have you noticed that Oda skips drawing Haki just to save time on the drawing? Well, I introduce you this guy to your attention...
https://youtube.com/c/MIZARGURUS
Little bit of prehistory about this guy: back in the days he was a big Russian one piece Youtuber with 80k subs and he was growing really fast, but during WCI and at the beginning of Wano, he publicly announced that he leaves one piece because the quality of the story has decreased to such a degree that he can't continue any more, after that he last few thousand subs,
but strangely enough, after that his channel got a lot of strikes and subsequently it was deleted because of that. After that he created another channel but only 22k subs came back for his content, then after getting strikes once again he decided to leave YouTub for good.
The interesting thing about this guy is that he's a professional
ARTIST and to some degree even a writer, he used to draw one piece characters in his one piece discussion streams. So this guy had been saying that Oda skips things that takes time to draw, he said that Oda skips drawing haki, which at that time sounded like BS and hardcore one piece fans started to harass him saying "that he's a third rate artist that can't draw" but the guy was right. An entire year has passed since he made his last video, but the guy was spot on.
I think the reason that Oda doesn't draw Kid's Haki is because it takes too much time, and Oda is lazy as fuck. But that's not the only reason, sometimes it's simply inconvenient for him to do so, like for example Queen not using haki in his blade otherwise it wouldn't shatter and Sanji would have died. Oda's laziness has no limits, he's willing to destroy characters just to not spend additional time on them, but Oda is probably the only author who can get away with it since he has an entire army of lunatics that will defend him no matter what.