Well, I'm replying to Goyal but I'm not going to ping them for it two years after but it's simply because Monster is a classic and most people already read it. Still, there's always new folks discovering those for the first time every day. Why we're lucky for those comment sections or old Reddit discussion threads: whatever you discover, there's 'forever' people talking about it for you to join in.
On that chapter, I was pretty smug to have noticed Johan on page 16 but it was made clear later, damn it!!