Apparently the tree (a spruce named "Old Tjikko" after the finder's dog) is just one of several spruces in Sweden with root systems older than 8000 years. You can add Old Tjikko and those other spruces to the ever-growing file of direct, easily-understandable evidence that the earth is more than 6000 years old, as maintained by Young Earth Creationism.
Image source.