When I look at a folder (that has more icons inside than it shows, the
lower border of the folder is not all the way down to the bottom of the
screen.
I think that the way a folder is presented, is like 70% of the screen is
used.
So it means more scolling inside the folder. It would be more effective it
the folder could use up all (of almost all) or the screen.
And what also would be nice, to keep scrolling to a minimum, is to have
folders inside folders.