Ummm... but you specifically stated in your original post that "it deleted every one of my bookmarks" hence my response.
So, I'm not clear what your statement meant then. I'll re-state : Yummy doesn't just delete Bookmarks on its own, which is what you were inferring. You can delete them, but you must specifically do so, and even then Yummy warns if you're sure you want to do that.
Anyway, glad to hear you found the Trash can icon