Not always, but sometimes I will enter people's dens and their profile is all wonky, like the picture was too big to fit in the space so it got pushed to the bottom of the screen below the chatbox and quest bar like so. I will have to scroll all the way to the bottom for it to appear

Similar things happen with forum posts if an image source gets removed later, especially on older posts.

It's just because their bio is old and doesn't work with the mobile responsive update.