I think you may be referring to me. I dump the coals over the unlit, get everything set up (I use a wireless thermometer) and put the lid on. Wait 15-20 min then hang the meat. I believe the instructions tell you to wait 15 min before hanging meat after dumping the coals in....
Here's what the coals look like when I dump them
I also heard that which is what I do most of the time. But in another one of Noah videos this is what he said:
http://www.pitbarrelcooker.com/videos/lighting-your-pbc