| Use RDM sub when you fight mobs that don't induce status effects like poison/paralyze/silence, etc. For example, /RDMs are great VS crabs; dispel, faster aspir recast, etc. The bad thing would be not being able to remove the STR down without /WHM's erase, but that shouldn't be too big of a deal.
Use WHM sub when you fight mobs that do induce status effects. Assisting the WHM on 3 poisoned/paralyzed/silenced targets is always a nice thing.
Rarely do I use /BRD, and I would never /SMN. My 2 cents :spin: 
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