"# More Replies" Option Does Not Work For Me

Often times, when looking at the comments on a post, some comments are hidden and replaced by a button that (in Lemmy-UI) says “1 more reply ➔” or “2 more replies ➔” (or in Lemuroid says “1 more replies”) or some such. I assume the intent of this button is to cause the hidden comment to be shown, but the button...