Gruntler is IMO correct, that how the job is viable for prog is one of most important pieces in balance puzzle for PVE.
Speedruns and "optimal" runs affect incredibly small percentage of playerbase.

RDM can rezz good and Vercure can be that critical heal, that will keep fershly rezzed person from being immediately downed by incoming AoE. It is stronger utility than people like to admit.

If the RDM was *very* close in dps to more pure-dps jobs, It would see very high uptick in being used.
So the key is to boost it with very light touch, I feel.