The posts in threads nowadays or really...inefficient. It's just not intuitive. I was here back when posts were shown normally, now it's just a stack of names and some words, it really is very bad. Perhaps changing it back or putting a way to change it back would help.

You changed your display mode ;D.

Hit options and change it back.

You're view of the forums have changed - there are two options.

Click on Options > Switch to: Standard to fix it.