This is premature. This may or may not happen, @codinghorror is the PM and gets to choose the implementation we go with.
I think that the no description, no onebox rule should be lifted and be an opt-in thing if we must, but ultimately this is not my call.
If we lift the “no description, no onebox” rule or make it optional we may need a new visual template for for descriptionless oneboxes, this is not a trivial problem. “no description, not onebox” rule was born from people complaining that they did not like how it rendered without descriptions.
Federal appeals court overrules judge, orders Flynn case dismissed as DOJ requested is a lot of blue text. Twitter for example display that text in black, not blue.