Imagine if Vigano becomes full blown sede, rejects BoD/co, gets conditionally ordained and drops the child of light stuff. 
That "children of light" stuff is yet another slur against +Vigano by his detractors here. It's a term taken directly from St. Augustine, from his
City of God, where he says that basically there are two camps, people tending toward the truth, toward the Church, even if they're not there yet, and people tending away from it. I do not find +Vigano's use of the term to be incorrect, though one might argue it should be avoided in today's climate of religious indifferentism. St. Augustine viewed the world as divided into two camps (at a high level), those tending toward good vs. those tending toward evil, the former whom he termed "children of light". +Vigano did not just make this up or pull it out of thin air. Even though they're not Catholic, there are many people out there who at least intend to adhere to the natural law and God's law ... and those who are opposed to it. So, for instance, there are conservatives who are Pro Life, anti-sodomy, etc. vs. those who are promoting sodomy and all manner of perversion. That dividing line is clear to see. It doesn't mean that they're in a position to receive supernatural life or salvation.