Why is the healer class basically a one spell dps class?

[AikenDrum]

Isn't that because RDM does not really have a rotation, but priority rules it follows? So it can stop to do a healer duty and not lose as much as something like BLM would lose if they were interrupted for let's say 5 seconds or more.

hmm i dunno, planning rdm melee combo around healing isn't that much different to planning it around mechanics