^I don't think we're reading the same dev reply

a) it doesn't explicitly mention this, it does allude to concern over ability-bloat & speak to impracticality in a party setting

b) they don't seem comfortable with it to me, they like the *idea* of it, but the implementation they're worried about, which my post handles the implementation

c) concern regarding its place in an MMO party I would say qualifies as needing the fit the ARR framework (trinity-centric)