It makes sense to keep this universal navigation on every page, regardless of brand, to draw attention to other Disney products.
And this trend isn’t exclusive to conglomerates or holding companies.
A working vertical navigation isn’t easy to create from scratch, and it's tricky to get it working in responsive designs.
However if you’re curious to experiment and willing to try new ideas then vertical navs can be a refreshing twist.
They differ from normal drop-downs because instead of just flowing down vertically these mega menus expand wider, usually containing multiple columns of content.
This technique works well if used judiciously but it’s not great for every site.
There have been various studies that indicate most users struggle with hidden menus.