Can’t or won’t ?
Coordination always takes extra effort. In the complexity of multimedia and codecs it is especially difficult.
There are volunteers providing these packaged codecs and players. They are not paid to do this. They are users like you, like me, who are enthusiasts. Somethings are hard to do, and in this case coordination is difficult, so they do not do it.
Note videolan support many distro’s, and they probably (I’m guessing) are trying to maintain a consistency across the various distros they support, … and in some cases not follow the openSUSE way of doing things. Packman support mostly openSUSE and they focus on only openSUSE functionality. Those two different priorities can lead to different and incompatible implementations.