While editing, it shows a little grey text "Infobox Film". When you press it you get a pop up screen relevant to info boxes. Info boxes are typically at the very start of an article. They are intimidating and they hide what people want to do.
The Wikia approach hides the clutter and when you select the infobox, the data and the code are nicely separated. The relevant content is nicely separated from the code.
If you do not like this more WYSWYG way of editing, you can even select to use the old "Code" screen. This can be selected from the taskbar.
The article includes several references; I think you will agree that they need a similar treatment.