Courtesy Runner in ITB

[CecilOne]

Originally Posted by mcrowder

Because it quite clearly says "MUST BAT AND" ... earn her way on base. MUST BAT is pretty plain, and so is the "AND" part... and there is no reason for this sentence to be in the book unless they are specifically excluding other ways of getting on base (such as ITB) without having batted.

I really don't think that was the intent, just the usual poorly edited overemphasis on another point; not using the DP or a pinch-hitter and then using a CR.
Even the extreme of "earning" the way on base by making an out in the previous inning is nonsense