Honestly, they haven’t been around long enough to be put into any storylines. Unfortunately, there hasn’t been any storylines to date or anything really exciting cause the Azdrazi currently are very spaced out doing their own things. If/once this rework gets implemented I can promise that will change.
Also I like to believe they’re a bit on the hefty side because overall they’re neutral and serve their own cause and (typically) supposed to protect descendants of Horen. Some, of course as grim said, act like re-skinned elves, including me sadly : (