When you dig them up, you'll see how much bigger the root is compared to the original rhizome. This provides energy and nutrients for re-growing the secondary roots as well as the early bine growth. So, move on.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk