I think if you tried you could understand why it looks the way it does. There replies are rendered under what they are replying to. Do you have any example of what you think is being displayed incorrectly?
https://mobile.twitter.com/SamTLevin/status/1512109658432888...
are way, way off screen (except for the self replies). And when you scroll down to them it's not clear if they're replies to the first tweet, the last, or the middle.