Root on Android looks to be a dying art, with fear of voided warranties and SafetyNet restrictions holding users back. A Pixel 2 owner has reportedly gotten confirmation from Google's customer support which clarifies that rooting the new Pixels is not cause for a warranty void.
https://www.notebookcheck.net/Rooting-the-Pixel-2-may-not-void-your-warranty.259260.0.html