You dont play healer specs out in the open world solo either unless you want to spebd 4 times as long killing when the dps spec even played badly kills stuff faster so you dont have a point at all, takes 2 secs to respec into something useful for whatever you want to do solo why would you play in a role that will be bad for what you are doing.
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Not everyone cares about topping the meters but the dps that augmentation adds to other players is the augmentations extra dps, if the spec does 50k on its own but adds an overall 100k dps then the augmentation evoker is the one doing 150k dps and the logs should reflect this, thats how performance and logs work, its not just about looking at a dps meter and being at the top.