The purpose for a wrap & turn is to avoid a hole at the turning point. However, for a felted pattern, this may not be necessary since the felting probably would tighten up any holes.
If she's willing to take the risk, then there's no law that she has to do the w&t. I personally think the risk is small.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry