There is no need for me to try to explain something the experts still find unsettled.

I suppose you adhere to the "Big Whack" theory or whatever and I have no quarrel with that.

http://www.pbs.org/wgbh/nova/tothemoon/origins2.html

The people involved with such things give me the impression the jury is still out on the issue. You tend to be conclusionary in your approach, kinda like taking sides. That should provide a lot of comfort to pick an answer and hang on to it. It saves you from ever doubting; possibly.
You and the people that came up with the chunk of Earth script may be correct. I am unsure.
jjw