You can tell the lions that all you want, but lions will be lions,
or
as Alan Greenspan said our assumption that its in ones self interest to do the right thing has a little flaw.
When push comes to shove, self interest always ends up being for ones self not the collective.
It is going to be a long time, requiring a whole lot of mental evolution for there ever to be trust between the lion and the zebra. Only when that trust exists can the search for a solution begin.