In order to optimize minimization and loading of all css of a project, the css style sheets should be reorganized by type of media whereas that has not be made like this in the skin. The kernel must be able to optimize calls CSS even if the integrator has not sorted by media type.
I do not agree : order matters.
the only case we can optimize is :
but most of the time you will have stuff like
In this case, the third css will have rules with more power than the second one... and this will change if we reorder