We are trying to create a world where world-class high-availability software and techniques are taken for granted.
In such a world, it is simply assumed that if it's even reasonably important that HA techniques have been taken advantage of whether in a cluster or a single machine.
We see the following obstacles to this coming about:
Availability of affordable, world-class HA software and information
TCO of HA Systems
Complexity of HA systems
Awareness of HA systems