You might be right. Ingram is an effective RB. Because we've had more entertaining violent runners who were not picked in the first round or even drafted like Robinson AND Ivory, Ingram is often forgotten about by fans because more is expected of him and some of the things he does well goes unnoticed or is under appreciated. Just take a look at his career highlight and one might be surprised at many of the great plays Ingram has provided us since 2006:
http://youtu.be/jEJhpozZ7fQ