Yeah, I noticed his landing too. In general I think he's jumping too much, often time without a reason. I know we're all excited about how good he looks, but it should be clear to everyone that Wemby didn't have much idea about what he was doing. On offense, he was running around trying to "get open" without caring at all if that actually fit with what other players were doing. In general, he's hopping around way more than a guy who can see over everyone and reach things way beyond anyone else would ever need to. I think the length of his legs means there's often a huge time difference in how long it takes him to land depending on whether he lifts his knees or not. That's going to make it harder to learn to consistently land properly. He basically jumped at everything on defense. He was out of position multiple times. He's just so ... Wemby, that he can be in multiple "positions" at once. He had yet more moments of leaking out before his team had secured the rebound and running himself out of plays as a result.
As he matures, he's going to get rid of this wasted movement. If the coaches don't get him to do that, then what will is players who have had time to scout Wemby how to take advantage of jump and fling his arms around. He's very likely to have games where he's saddled with foul trouble really quickly. He's going to realize that he can have nearly the same impact on shots just by existing and save his bursts for low-risk opportunities to deflect high-percentage shots. That combined with figuring out his place in the offense is going to lead to him playing a more physically sustainable style. Wemby's nowhere near as good as he's going to be. It's easy to see some of the highlights and think he's basically a star already. That may be true, but Prime Wemby will be a very different player than the one we see today.