Attach Symbol Effect
Adding a new Effect to Attach a Symbol would heavily simplify the creation of Appearances (Graphic Styles) like the one in my Screenshot.
Of course a Reference Point and Liquid constraints like in InDesign would be amazing.
And that will open all new horizons of possibilities!
As for the Attach Symbol, I'd like to try this one.
Liquid Layout is a good steal.
But it turns AI into InD. Why not work in InD instead?
Yves Chatain commented
Very nice idea.