We have! Sorry, it's one of my divergences. I think by listening to each other, we can grow our perspectives, if not evolve them.
Eta:
I do not think there is any universal one size fits all approach, rather that we need many local ways of doing that accommodate the needs of the local population. That can only be achieved through empowering people at the local level and ensuring they have the flexibility to adapt and change as situations arise.
Believe it or not, this is a shared, popular perspective, on grad!