When working with files with the same name you need to double check by hovering on top of the tab the complete path to make sure you don’t mess up. Even if this is enough it’s not UX friendly as you need to move the mouse, hover, wait and remember. And when in doubt repeat the procedure.
VCS solves this UX issue by moving up the folders until it finds a folder that is called different and showing an excerpt of the path.
So if parent folder is called different it will show:
If first level parent are called the same it will look another folder up until a different folder name is found:
At a glance you know in which file you are working.