Not really , Holy priest is shit with Oracle .... priest have 564 ilvl and on Galakras Normal fight is doing 80k hps .... and rest of healers are doing min 140k-->220k ...
low hps is nothing what u should worry about!
dunno what your raidcomp is atm, mine is a 10m Raid with 2 healers, i'm sitting at 40-90k hps in this fight when our members are moving fine and at 160k hps when they ignore everything.
imagine your mates are using a bot too, who will win? right the one with the better pc and the better internet connection

so ur common statement is useless until u can provide more informations and things that should be changed
maybe ur settings are stupid for this fight, maybe your toon is wrong reforged (i speculate a bit at this time, but i'm sure ur one of these players with 17k or more spirit?)
haste built will win vs mastery/crit builts in the meaning of HPS.
So if u wanna have BIG numbers, u should try to reforge / gem your toon to haste instead of mastery / spirit.
example default gearing strategy Spirit - Mastery - Crit - Haste -> average hps 80-90k -> burst 150k
example costum gearing strategy Haste (second renew cap or 5th Holy Word: Sanctuary cap)- Crit - Mastery - Spirit (max 10k) -> average hps 120k -> burst 220k
well ... after all these speculations ... fact is ... u provided not enough informations for an in-depth analysis