This was an interesting read, and has some specific suggestions that seem really good. (I'm not 100% sure that the entire strategy is that much better than what we're already doing... but it's certainly more flexible, in terms of the kinds of characters needed.)

https://www.reddit.com/r/DestinyTheGame/comments/7p0ept/for_anyone_still_struggling_with_argos_ph2_dps/