Because there is still lots of room for improvement. I'm still waiting for the ability to set a bookmark on a line by clicking on a line number. The key binding

Because there is still lots of room for improvement. I'm still waiting for the ability to set a bookmark on a line by clicking on a line number. The key bindings for booksmarks are a bit awkward, I don't always want to remember key bindings, and using the menus take too much time.