Ozonelayer
And yet again no logic. 21th chapter speaks about him having no knowledge on devil fruits and this world, and by the time he acquired the fruit he spent some time in this city, but did not look for information on world government and other stuff, but a few chapters ago there were stuff like mc knows lots about one piece world (if a man did not look for something at the start, and some knows that its exactly 72 hours, he wont look for it ever again). Of course it's an act of idiot not to give transmigrator the knowledge of world, cause readers know about it and by logic author too, so either author puts himself in readers skin or opposit, so in any case it's logical that mc should not be blind to stuff. That not only makes the story logical and intresting, but also prevents author from dumb mistakes. Like in some situation people think from their own perspective and dumb authors always forget some details and assume that mc should act that way, forgetting about the detail of not giving mc the knowledge of the world.