A Solution to Healer Wipes

[KineticSoul]

If you have a poor healer that keeps dying, afking, disconnects, etc. It is a wipe. Period. You have to hold their hand and teach them or kick them and hope you get a replacement swiftly. Either way, people end up sitting around twiddling their thumbs. We don't pay a sub every month to do that, do we? So I had a thought; why not allow BLM and SMN to cross class Cleric Stance? With this SMN and BLM can use Physick in Cleric Stance for reasonably effective back-up heals. Active Cleric Stance reduces the potency of healing magic by 20%. This would keep SMN and BLM from being able to do any full time healing, but it would make Physick effective enough to be able to make that last push should the worst happen.
Maybe this isn't the solution, but I feel like this is a problem that should be addressed and I can't be the only one (I'm not nearly that special.) I'm just spit balling here, really, but I wanted to know what others thought, if they had other ideas.