The WTT format is just showing us that what we already knew to be true of every other sport applies in TT too, namely, you cannot be at your best all the time. You have to choose which events you really want to win, and focus on those.
That's why, once they get to a certain level, top champions become more selective about what events they compete in, and for what reason. For example, even Roger Federer, Novak Djokovic, and Rafa Nadal lost matches against lower ranked players sometimes, but those losses usually happened in less important tournaments. Essentially 'warm up' tournaments which they only played to prep for the more important grand slam events.
Seriously well done to Lee SS and Lim J for their victories over FZD and LJK this afternoon! But, to keep things in perspective, those games were possibly the best I've seen Lee SS and Lim J play. Certainly among their highest level performances. On the other hand, both FZD and LJK are looking like they're playing at 60%.
China will be gearing all their prep towards Paris '24 at this stage. Let's see what happens then.