This repo is created to help understanding this question: https://stackoverflow.com/questions/56438820/fill-a-grid-cell-with-a-scaled-view
This is what the outcome of using scale="0.5" is (right column is not filled):
And this if what I want to achieve (fill the right column with a scaled down view):
Now Labels might be a bad example for this, because one could just not use scale and change the font size to a smaller value. But it becomes more obvious that it's not as easy as changing the size when looking at more complex views which should be scaled down:
So the question remains: How to fill a Cell with a scaled down View?