All this "barrel nut timing for proper torque" bullshiit came about, because so damn many people put these things together, and don't own a decent torque wrench, or the proper tools. There's so many "AR builders" that couldn't even identify a torque wrench for what it is, if you showed them a decent one... My $0.02 on it.
EXACTLY ! and the word of the day is...don't complicate your $hit...with ? Wash