3. I hope this feature will come with a mandatory OPT-IN/OUT provision.
Otherwise, it's definitely inhibitory. I think the upside (easy access) is outweighed by the likely potential abuses (the very reasons why interesting, factually dense material may not be widely known). Didn't Facebook try and retract something similar when they facilitated automatic oversharing of each member's every update?
Please consider providing DU members the choice of participating in this post aggregating feature or not.