I don't think both of your comments are really mutually exclusive.

I find the case of BRD a lot more puzzling myself tbh. rPhys also has the same issue of job representation with DNC that gets similar ludicrous ratios, but fortunately MCH and BRD don't fare better on numbers, unlike BLM (so imagine that job without an edge there, that would be something to watch on caster job representation, or the other way around, if MCH or BRD was doing significantly more damage, you'd see a lot less DNC players).