First of all: The icons can simply be hidden by themes as folder/file icons can. A little badge can be as distracting as coloring each file in the tree differently according to its status. If any visual effect is considered distracting, there is no room for creating a GUI.
While you call 2 columns of gutter like icons distracting a long hanging feature request is to add a second one to be able to see e.g. GitGutter and SublimeLinter icons next to each other for a line.
So whatever is implemented someone will like it someone not.
I prefere folder and file icons to be visible in the sidebar others hate them. Same with the badges.
The only important things are to have such GUI entities available, to be able to customize or hide them.