I find it insulting that people tend to tell whm's to dps or they are only using half their class. DPS'ing is ONLY valid if the person is skilled enough to do so, or is comfortable enough to do so. Do I add DPS? Sure, IF it is appropriate, or IF I have time and i'm not running out of mp. However, the classification of my class is a "healer" not a DPS. If I am demanded to be dps'ing by a group, they can find another healer, it's that simple. I wont risk having my role circumvented into being a dps fangasm because people can't realize that your FIRST and FOREMOST job as a healer is to do as the name suggests and heal.
Hate me all you want, decide not to play with me, but you know what? no one dies on my watch unless things go REALLY wrong and that is hardly something I can fix by having myself throw out wasted mp that the dps can handle much more efficiently because that is their job.