Well, Shenmue 3 omits some important iconic music, like the main menu one, Earth and Sea, or the Lucky Hit theme. And misplaces some previously iconic music (like the Fangmei theme or The Place Where Sun Sets) for banal things.Shenmue 3 did not have that problem. It has the iconic music and everything that made the series great.
But I agree with you I also feel there's quite a lot of criticism to the game that is misguided. If it had had enough story content, and if that story had been more coherent with the story set up in the previous game, 90% of people would have been satisfied and would have overlooked so many minor things that they now focus about.