You are not being to picky at all. I am a beginner at learning on my long/mid arm quilting machine. I either stitch in place a few stitches or I go edge to edge to be sure the binding captures my ends. These are my own quilts that I make and give as gifts, or donate, or I have made as an order. I do not quilt for others. But even my other projects I do make and sell, such as the jellyroll rugs or pillows, or table runners, I always use my lock stitch several times at each ending or beginning so nothing comes unraveled for the person who purchases it.
After discovering what you did, if I were you, I would not send any of my quilts to her again.